| 4001 entries are listed on showcaves.com on 21-May-2013 14:18:06 |
 10,000 Year Clock, us |
Underground Project 131, cn |
 19-Lachter-Stollen, de |
| 816 Military Nuclear Plant, cn |
 Aachquelle, de |
 Aareschlucht, ch |
 Abaligeti-barlang, hu |
Museo Minerario di Abbadia San Salvatore, it |
 Furna do Abel, pt |
| Abercrombie Caves, au |
Abime, be |
Cueva del Abra, mx |
| Abraham's Cave, tr |
Abrakurrie Cave, au |
Abukuma-do, jp |
| Abu Simbel, eg |
Caves Ackerman, fr |
Grotta di Acquasanta, it |
| Actun Kan Cave, gt |
Admiral's Cave, bm |
Cueva de Adsubia, es |
| Adventure Copper Mine, us |
Afawa Cave, pg |
Magharet Afqua, lb |
| Aggertalhöhle, de |
Spilia Agia Paraskevi - Aghia Paraskevi Cave, gr |
Agia Paraskevi, gr |
| Spilea Agia Sophia - St Sophia's Cave (Kythira), gr |
Spilea Agia Sophia - St Sophia's Cave (Crete), gr |
Spilia Agio Gala, gr |
| Spilaio to Agiou Antoniou, gr |
Spilaio Agios Georgios, gr |
Agios Georgios Mandelas's Cave, gr |
| Iepa Moni Agios Gerasimos, gr |
Spilia Ag Ioánnis Erimitis - Hermits' Cave of Saint John, gr |
Spilia Áyios Ioánnis Iráklia, gr |
| Spilia O'Ag Ioannis Kastro - St John's Hermit Cave, gr |
Spilaio Agios Mamas - Agios Mamas Cave, gr |
The Glittering Caves of Aglarond, XX |
| A GoGo Valkenburg, nl |
Cueva del Agua, es |
Agua Azul, mx |
| Caverna Água Suja, br |
Grutas del Águila, es |
Geode at the Mine of Sierra del Aguilón, es |
| Gruta das Agulhas, pt |
Les grottes de l'Aguzou, fr |
Aillwee Cave, ie |
| Aitiks Koppargruva, se |
Aitzulo, es |
Ajanta Caves, in |
| Ajkai Bányászati Múzeum, hu |
Akarsu Köyü Mağarası, tr |
Akasaki shonyudo, jp |
| Akiyoshi-do, jp |
Akka-do, jp |
Akköy Evleri, tr |
| Aktun Chen, mx |
 Cenote Aktun Ha, mx |
Alabama Mining Museum, us |
| Alabaster Caverns State Park, us |
Cuevas Pedro Antonio de Alarcón, es |
Alayan-Lion Cave System, ph |
| Pestera Albastra, ro |
Gruta das Alcobertas, pt |
Al-Daher Cave, jo |
| Magharet Al Dawwayat, sy |
Aldrich Coal Mine Museum, us |
Aleksandrovo Thracian Tomb, bg |
| Alepotrypa, gr |
Mine Témoin d'Alès, fr |
Alexander's Cave Houses, gr |
| Alexandra Cave, au |
Alfina Hotel, tr |
Al Hotta Cave, om |
| Ali Barbour's Cave, ke |
Ghar-e-Ali Sadr, ir |
Spilaio Alistratis - Alistrati Cave, gr |
| Allander Tropfsteinhöhle, at |
Allikukivi Caves, ee |
Sinkgruvene i Allmannajuvet, no |
| Almond Valley Heritage Centre, gb |
Jebal Al Qarah, sa |
Altamira, es |
| Piatra Altarului, ro |
Salzbergwerk Altaussee, at |
Besucherbergwerk Alte Hoffnung Erbstolln, de |
| Altensteiner Höhle, de |
Alter Elbtunnel, de |
Altinbesik Mağarası, tr |
| Altinocak Restaurant, tr |
Cueva de Altxerri, es |
Alufu Dong, cn |
| Alux Restaurant & Lounge, mx |
Grutas de Alvados, pt |
Alvensleben-Stollen, de |
| Amarnath Cave, in |
Schaubergwerk Am Aschenberg, de |
Mapango ya Amboni - Amboni Caves, tz |
| Åmdals Verk Gruver, no |
American Cave Museum, us |
Velká Amerika, cz |
| Ami Chenin, fr |
Amlwch Copper Kingdom, gb |
Ampanito Valakely, mg |
| Anakami shonyudo, jp |
Ananui Cave, nz |
Anapala Chasm, nu |
| Anatola Cave, nu |
Anatolian Houses, tr |
Anchor Church Cave, gb |
| Andersgrotta, no |
Andreas-Gegentrum-Stolln, de |
Anemone Cave, us |
| Spilaio Anemotrypa, gr |
Bīr al-Anezīya, il |
Cenote Angelita, mx |
| Grotta dell'Angelo, it |
Animal Flower Cave, bb |
Grotte d'Anjohibe, mg |
| Anlage Mitte, pl |
Anna Barlang, hu |
Grube Anna-Elisabeth, de |
| Ansite, es |
Antelope Canyon, us |
Pavilon Anthropos, cz |
| Cuevas de la Antigua Fragua, es |
Antiparos, gr |
Antonijev Rov, si |
| Antonio Pereira Imperial Topaz Mine, br |
Cueva de Anzo, es |
Aoiwa shonyudo, jp |
| Ape Cave, us |
Apedale Mine, gb |
Appalachian Caverns, us |
| Aquinaldo Cave, ph |
La Caune de l'Arago, fr |
Aranui Cave, nz |
| Saline Royale d'Arc-et-Senans, fr |
Arch Cave, ca |
Arco Naturale, it |
| Kaivosyhtiö Arctic Ametisti Oy, fi |
Grotte D'Arcy, fr |
La Cuevona de Ardines, es |
| Minas de Arditurri, es |
Ardlair Cave, gb |
Ardoisalle 1947, be |
| La grotta delle Arene Candide, it |
Gorges de l'Areuse, ch |
Argo Gold Mill and Museum, us |
| Argyle Diamond Mine, au |
Arigna Mining Experience, ie |
Arizona Mining and Mineral Museum, us |
| Arjeri, am |
Arjun Gufa, in |
Arkasu Mağarası, tr |
| Aven Armand, fr |
Arnhem Cave, na |
Historische Kelders Arnhem, nl |
| Arnold Ice Cave, us |
Arnthöhle, de |
Arochukwu Cave, ng |
| La Grotta dell' Arsenale, it |
Coves de Artá, es |
Cave Village Artenara, es |
| Schaubergwerk Arthurstollen, at |
Artlish River Cave, ca |
Aruküla Caves, ee |
| Schau- und Lehrstollen Arzberg, at |
Asbestos Mineral Museum, ca |
Brachoskepi Asprochaliko, gr |
| Historisches Dachschieferbergwerk Assberg, de |
Forschungsbergwerk Asse, de |
Astana Underground Museum, cn |
| Astley Green Colliery Museum, gb |
Ataman Hotel, tr |
Atapuerca, es |
| Atea Kananda, pg |
Grutas de Atepolihui, mx |
Atlantikwall, fr |
| Atlas Coal Mine National Historic Site, ca |
Atomkeller, de |
The Treasury of Atreus, gr |
| Attahöhle, de |
La Carrière d'Aubigny, fr |
Grotte des Audides, fr |
| Auerbachs Keller, de |
Musée des Mines de Fer d'Aumetz, fr |
Aurangabad Caves, in |
| Aurora Erbstolln, de |
Cueva del Cerro Autana, ve |
Aux Vieux Logis, fr |
| Avaiki, nu |
Avan Mine, am |
Ayala Disco, cu |
| Ayo Rocks, aw |
Ayvaini Mağarası, tr |
Grotte d'Azé, fr |
| Grotte du Mas-d'Azil, fr |
Pozo Azul, es |
Cenote Azul, mx |
| Grotta Azzurra, it |
Höllgrotten Baar, ch |
Jama pod Babjim zobom, si |
| Bachelor-Syracuse Mine Tour, us |
Bacho Kiro, bg |
Badami Cave Temple, in |
| Kurzentrum Bad Bleiberg, at |
Badger Mine and Museum, us |
Baekryong Donggul, kr |
| Bärenhöhle, de |
Bärenhöhle, de |
Bärenschützklamm, at |
| Bagdad Mine, us |
Bag End, XX |
Baggehola, no |
| Bagh Caves, in |
Bagshawe Cavern, gb |
Bahay Paniki Cave, ph |
| Bailong Dong, cn |
Baima Dong, cn |
Bái Ma Jiàng Jun Dòng, cn |
| Baixiangdong, cn |
Naval Museum Complex Balaklava, ua |
Gruta de Balankanché, mx |
| Balatoc Mines Tour, ph |
Jeskyne Balcarka, cz |
Bald Hill Mine, au |
| Balek Sulfur Caves, pg |
Ballica Magarasi, tr |
The Ballroom, nz |
| Grottenburg Balm, ch |
Grottes de la Balme, fr |
Baloc-Baloc Cave, ph |
| Balsbergsgrottan, se |
Balver Höhle, de |
Grotte di Balzi Rossi, it |
| Bamei Polje, cn |
Baňa Cígeľ, sk |
Banbury Tourist Mine, nz |
| Banjaran Hotsprings Retreat, my |
Banské Muzeum v Prirode, sk |
Banské Muzeum, sk |
| Banská Štiavnica, sk |
Banwell Bone Caves, gb |
Grotte de Bara-Bahau, fr |
| Barabar Caves, in |
Baračeve špilje, hr |
Baradla Barlang, hu |
| Baranca Sunu Grot, aw |
Barbarastollen, de |
Barbarossahöhle, de |
| Jama Baredine, hr |
Bari Imam Cave, pk |
Barry troglodyte village, fr |
| Bartholomäberg, at |
Barton Creek Cave, bz |
Basaltkeller, de |
| Bastnäsfältet, se |
Bat Cave, us |
Bat Cave, ky |
| Bat Cave, ca |
Bat Cave Mine, us |
Bates Cave, au |
| Bathala Caves, ph |
Bat Cave, kn |
Battery Hill, au |
| Battle of Britain Control Room, gb |
Batu Caves, my |
Gua Batu Maloi, my |
| Baumannshöhle, de |
BC Museum of Mining, ca |
Beaconsfield Mine and Heritage Centre, au |
| Beamish, gb |
Bear Cave, us |
Grotte di Beatrice Cenci, it |
| St. Beatushöhlen, ch |
Grotte de Beaume Obscure, fr |
Beckham Creek Cave Haven, us |
| Beckley Exhibition Coal Mine, us |
Grotte du Bédat, fr |
Grotte de Bédeilhac, fr |
| Bedsa Caves, in |
Beer Quarry Caves, gb |
Grottene i Beiarn, no |
| Beit She'arim National Park, il |
Béke-barlang, hu |
Bekiris Cave, gr |
| Cueva de Belda, es |
Beldibi Magarasi, tr |
Belianska Jaskyna, sk |
| Bell Caves, il |
Cuevas de Bellamar, cu |
Orrido di Bellano, it |
| Les grottes de Bellevue, fr |
Bellevue Underground Mine Tour, ca |
Bellingham Heritage Centre, gb |
| Bell Island's Mine Museum and Underground Tour, ca |
Bell Witch Cave, us |
Cueva de Belmaco, es |
| Belum Caves, in |
Grotte di Belverde, it |
Grotte des ain Beni Add, dz |
| Cuevas de Benifallet, es |
La Cueva de Ben Loman, bz |
Benshan Fifth Tunnel, cn |
| Benxi Water Cave, cn |
Erlebnisbergwerk Berchtesgaden, de |
Heilstollen Berchtesgaden, de |
| Südtiroler Bergbaumuseum, it |
Le vieux Berger, fr |
Berkeley Pit, us |
| Berliner Unterwelten, de |
Caves Bernard-Massard, lu |
Grottes de Bernifal, fr |
| Bernsteiner Felsenmuseum, at |
Berry Springs, au |
Bersham Colliery, gb |
| Bertrix Slate Mine, be |
Besucherbergwerk Bertsch, de |
Grottes de Betharam, fr |
| Bethlehem Cave, us |
Eiskeller der Brauerei Beuing, de |
Beulah Mine, us |
| Gua Bewah, my |
Saarländisches Bergbaumuseum Bexbach, de |
Parc archéologique de Beynac, fr |
| Les Grottes de Bèze, fr |
Bezeklik Thousand Buddha Caves, cn |
Bhaja Caves, in |
| Bhalil Cave Dwellings, ma |
Bhartrihari Caves, in |
Bhimbetka, in |
| Patal Bhuvaneshvar, in |
Bicchu-Kanachi ana, jp |
Big Basin, us |
| Big Bone Cave, us |
Big Brutus, Inc., us |
Big Four Ice Caves, us |
| Big Ice Cave, us |
Big Nugget Mine, us |
Big Opal Mine, au |
| Big Pit, gb |
Big Spring, us |
Pecina Bijambare - Bijambare Cave, ba |
| Bilsteinhöhlen, de |
Bilzingsleben, de |
Besucherbergwerk Grube Bindweide, de |
| Binghöhle, de |
Bingag Cave, ph |
Bingham Canyon Mine, us |
| Bird's Botanicals, us |
Birkhill Caverns Clay Mine, gb |
Birresborner Eishöhlen, de |
| Špilja Biserujka, hr |
Citadelle de Bitche, fr |
Biyundong, cn |
| Gruvmuseet Bjuv, se |
Blaafarveværket, no |
Blaauwbank Historic Gold Mine, za |
| Black Buddha Cave, cn |
Black Chasm, us |
Black Country Living Museum, gb |
| Black Hills Caverns, us |
Black Hills Mining Museum, us |
Blair Athol Coal Mine, au |
| Blanchard Springs Caverns, us |
Blanche Cave, au |
Grotte de Blanot, fr |
| Musée de la Mine de Blanzy, fr |
Blaue Quelle, at |
Blauer See, de |
| Blautopf, de |
Cova Blava, es |
Błędne Skały, pl |
| Blegny, be |
Grube Neue Hoffnung Bleialf, de |
Bletterbachschlucht, it |
| Source Bleue, fr |
La Mine Bleue, fr |
Bloomington Cave, us |
| Il-Hnejja, mt |
Blue Hole, eg |
Blue Creek Cave, bz |
| Blue Hills Tin Streamers, gb |
Blue Hole, bz |
Blue Hole Spring, us |
| Blue Hole, jm |
Blue Hole Mineral Spring, jm |
Blue John Cavern, gb |
| Blue Lake Rhino Cave, us |
Bluespring Caverns, us |
Bluff Dweller's Cave and Browning Museum, us |
| Blyde River Canyon, za |
Bnei Hezir, il |
Toca da Boa Vista, br |
| Bobby Dazzler Walk-in Mine, au |
Boca Tabla Cave, an |
Uzdrowisko Kopalnia Soli, pl |
| Les casemates du Bock, lu |
Bocksteinschmiede, de |
Bodagrottorna, se |
| Bodås gruva, se |
Bodenloses Loch, de |
Silberberg Bodenmais, de |
| Pesterna Crkva Sveta Bogorodica, mk |
Ecomusée du Bois-du-Luc, be |
Bojnická Jeskyne, sk |
| Boka, si |
Bergrum Boliden, se |
Bollinger, fr |
| Bom Jesus da Lapa, br |
Bon Accord Mine Complex, au |
Bo Nau Cave, vn |
| Bondstollen Kopparberg, se |
Bone Cave, gb |
Bong Mieu Gold Mine, vn |
| Cueva Bonita, es |
Bonnechere Caves, ca |
Bonne Terre Mine, us |
| Boone's Cave State Park, us |
Cavernas El Boquerón, hn |
Border Cave, za |
| Borenore Caves, au |
Grotte Di Borgio Verezzi, it |
Il Borgo Ritrovato, it |
| Tham Borichinda, th |
Hessisches Braunkohle Bergbaumuseum Borken, de |
Borra Caves, in |
| Pętla Boryszyńska, pl |
Grotte du Bosc, fr |
Bosc de Fades Bar, es |
| Grotta di Bossea, it |
Bottini, it |
Gruta de Botuverá, br |
| Boulder Caves, us |
Boulder Cave, us |
Grotte de Bournillon, fr |
| Les Caves Bouvet-Ladubay, fr |
Les Boves, fr |
Tham Bo Ya, th |
| Boyd Cave, us |
Boyden Cavern, us |
Bozkovske Dolomitove jeskyne, cz |
| Bracken Bat Cave, us |
Abime de Bramabiau, fr |
Musée de la Mine Brassac les Mines, fr |
| Breitachklamm, de |
Brenztopf, de |
Dalen-Kjørholt Gruve, no |
| Château de Brézé, fr |
Hornické Muzeum, cz |
Bridal Cave and Thunder Mountain Park, us |
| Brighton's Victorian Sewer, gb |
Brillenhöhle, de |
Brimble Pit and Cross Swallet Basins, gb |
| Bristol Caverns, us |
Muzeum brněnského podzemí, cz |
Brněnská kostnice, cz |
| Broken Boot Gold Mine, us |
Schaustollen Silberbergwerk Bromriesen, at |
Bronson Caverns, us |
| Bruce's Cave, ie |
Bruce's Cave, gb |
Bruce's Caves, ca |
| Wiarton's Hermit, ca |
Brünig Indoor Schiess-Sport-Zentrum, ch |
Caverna de las Brujas, ar |
| Las Cuevas de las Brujas, es |
Bruneckerhöhle, at |
Campement préhistorique de Bruniquel, fr |
| Brunner Mine, nz |
Brunnsteinhöhle, de |
Brunson Instrument Company, us |
| Buchenlochhöhle, de |
Höhlenburg Buchfart, de |
Quarzsandbergwerk im Krähstel, ch |
| Schaubergwerk Büchenberg, de |
Grotta di Bue Marino, it |
Buenavista Cave, ph |
| Buffalo National River, us |
Bugasan Cave, ph |
Kalimuseum Buggingen, de |
| Bukilat Cave, ph |
Bulla Regia, tn |
Bullock Creek Sinks, nz |
| Bull Shoals Caverns, us |
Bultfontein Mine, za |
Izvor Buna, ba |
| Atombunker der Bundesregierung, de |
Bunkeri, hr |
Bunkermuseum Emden, de |
| Bunkermuseum Hamburg, de |
Bunkermuseum Rennsteig, de |
Furna do Buraco do Padre, br |
| Besucherbergwerk Burgbergstollen, de |
Travertine of Burgtonna, de |
Burke's Luck Potholes, za |
| Burra Monster Mine, au |
Burrows' Cave, us |
Bushmans Kloof, za |
| The Caves of the Bussento River, it |
Grutas de Bustamante, mx |
Butterfly Cave, cn |
| Cueva del Buxu, es |
Buynovsko Zhdrelo, bg |
Buzluk Mağarası, tr |
| Byakuren-do, jp |
Jeskyně Býčí skála, cz |
Bystrianska Jaskyna, sk |
| Cuevas de Cabarete, do |
Cuevas de Cabarete, do |
Cabinet War Rooms, gb |
| Gouffre Géant de Cabrespine, fr |
Grutas de Cacahuamilpa, mx |
Cacupangan Cave, ph |
| Café in the Crypt, gb |
Musée de la Mine Cagnac les Mines, fr |
Manoir de la Caillère, fr |
| Cala Covas, es |
Cenote Calavera, mx |
Cueva de las Calaveras, es |
| Calbiga Caves, ph |
Calcata Cave Houses, it |
Calcehtok Cave, mx |
| Caldecotte Project, gb |
Caledonia Copper Mine, us |
Grottes de Calès, fr |
| Caleta Negra, es |
Calgardup Cave, au |
California Caverns, us |
| Çalköy Mağarası, tr |
Callao Cave, ph |
Għar Calypso, mt |
| Cameron Cave, us |
Cammoo Cave, au |
Camooweal Caves National Park, au |
| Cuevas de Campanet, es |
Covolo di Camposilvano, it |
Les Canalettes, fr |
| Cuevas del Canelobre, es |
Canard Duchene, fr |
Canashito Grot, aw |
| Candelaria Caves, gt |
Grotta del Cane, it |
Cango Caves, za |
| Cova de Can Marçà, es |
Cantabon Cave, ph |
Museo del Cantero, es |
| Capão Mine, br |
Abri Préhistorique du Cap Blanc, fr |
Cape Breton Miners' Museum, ca |
| Capelton Mines, ca |
Musée de la Mine de Cap Garonne, fr |
Capigtan Cave, ph |
| Cappadocia Cave Suites, tr |
Cave Dwellings of Cappadocia, tr |
Cappadocia Palace, tr |
| Cappadocia Cave Resort & Spa, tr |
Catacombe dei Cappuccini, it |
Capricorn Caves, au |
| Carbonate Mine, us |
Grotta di Carburangeli, it |
Carey's Cave, au |
| Gruta de Carlos Pacheco, mx |
Carlsbad Caverns, us |
Carmel National Nature Reserve, gb |
| Carnglaze Slate Caverns, gb |
Carolinen Grube, de |
Grottes de Carpe Diem, fr |
| Carran Turlough, ie |
Musée du Carreau Wendel, fr |
Carreg Cennen Castle Caves, gb |
| Algar do Carvão, pt |
Gruta do Carvão, pt |
Carver's Cave, us |
| La Casa di Lucio, it |
Cascade Caverns, us |
Cascade Cavern, us |
| Parque da Cascata, br |
Casibari Rocks, aw |
Cueva de Castañar, es |
| Grotta di Castelcivita, it |
Grotta di Castellana, it |
Grotta di Castello Tesino, it |
| Castle Cave, au |
Catacombe Roma - The Catacombs of Rome, it |
The Catacombs of Paris, fr |
| Cataviña, mx |
Besucherbergwerk Grube Catharina Neufang, de |
Cathedral Cave, us |
| Cathedral Caves, nz |
Cathedral Cave, gb |
Cathedral Cave, bm |
| Cathedral Cave, au |
Cathedral Gorge, au |
Cathedral Caverns, us |
| Cathedrale d'Images, fr |
Les Cathédrales de la Saulaie, fr |
Cat Hole Cave, gb |
| Grotta del Caudano, it |
Giant's Causeway, ie |
Cava 177, it |
| Grotta del Cavallone, it |
Furnas do Cavalum, pt |
Cave-in-Rock State Park, us |
| Cave and Basin, ca |
Cave Creek, nz |
Cave Garden, au |
| Cave Hill, ie |
Caveman Bar-BQ & Steak House, us |
Cave of the Winds, us |
| Caveoso Hotel, it |
Cave des Producteurs de Montlouis, fr |
Cave River Park, us |
| Cavern Club, gb |
Cavern Lake Cave, us |
Caves Branch Jungle Lodge, bz |
| Cave Spring, us |
Cave Spring Historic Site & Nature Center, us |
Cave Spring Caverns, us |
| Cave Spring, us |
Cave Stream, nz |
Cave Vineyard, us |
| Centro di Documentazione delle Miniere di Lignite, it |
Cayman Crystal Caves, ky |
Roc de Cazelle, fr |
| Bois du Cazier, be |
Cedar Creek Springs, us |
Cefn Coed Colliery Museum, gb |
| Cehennemağzi Mağarası, tr |
Cennet Adası Mağarası, tr |
Cennet ve Cehennem, tr |
| Cenobio de Valerón, es |
Cenotillo, mx |
Centaur's Cave, ag |
| Gruta do Centenário, br |
Center Mine, us |
Cento Pozzi, it |
| Centralia Burning Coal Mine, us |
Jenolan Caves - Cerberus Cave, au |
Museu de les Mines de Cercs, es |
| Grotte du Cerdon, fr |
Ceremosnja Pecina, rs |
Gua Cerita, my |
| Cerknisko Jezero, si |
Cerme Cave, id |
Cerovačke špilje, hr |
| Grafitový důl Český Krumlov, cz |
Pestera Cetatile Ponorului, ro |
Cenote Chac Mool, mx |
| Chal-Nakhjir, ir |
Chalukyan Caves, in |
Chambers of the Black Hand, au |
| Chamera Guffa, np |
Le Musée du Champignon, fr |
Chañarcillo Mine, cl |
| Channel Tunnel, gb |
Chaoyang Dong, cn |
El Chapandáz, es |
| Gua Charah, my |
Charlottenhöhle, de |
Musée de l'Ours des Cavernes en Chartreuse, fr |
| The Chasm, nz |
Underground Chattanooga, us |
Chatterley Whitfield Mining Museum, gb |
| Grotte des Chauves-souris, tn |
Exposition Grotte Chauvet, fr |
Grotte Chauvet, fr |
| Che Chem Hah, bz |
Cheddar Caves & Gorge, gb |
Cheddar Gorge, gb |
| Chelmskie Podziemia Kredowe, pl |
Cenote Chemuyil, mx |
Cheongok-dong, kr |
| Museum of Speleology and Bulgarian Karst, bg |
Historic Cherokee Caverns, us |
Cherokee Cave, us |
| Chersonesos Cave Chruch, ua |
Chessiloch, ch |
Cheung Po Tsai Cave, cn |
| Tham Chiang Dao, th |
Chicago Museum of Science and Industry, us |
Minas Chico Rei, br |
| La Caverna de Chicoy, gt |
Chi Day Caves, vn |
Grotte du Chien, fr |
| Jenolan Caves - Chifley Cave, au |
Chilibrillo Cave, pa |
Chillagoe Caves, au |
| Chinhoyi Cave, zw |
Chiquibul Cave System, bz |
Chislehurst Caves, gb |
| Cholerenschlucht, ch |
Cholerenschlucht, ch |
Chollar Mine, us |
| Cholula - Quetzalcoatl Tunnels, mx |
Tham Chom Ong, la |
Ch'ondong Cave, kr |
| Grottes de Choranche, fr |
Besucherbergwerk Grube Christiane, de |
Schieferbergwerk Grube Christine, de |
| Chrustenická Šachta, cz |
Chua Tien, vn |
Chudnite Mostove, bg |
| Cueva de Chufín, es |
ChufutKale, ua |
Chuiyun Tongtian River, cn |
| Chuquicamata Copper Mine, cl |
Church Cave, gb |
Paddock - Churchill's Secret Bunker, gb |
| Chýnovská jeskyně, cz |
Jaskinia Ciemna, pl |
Cierny Vyvieracka, sk |
| Císařská jeskyně, cz |
Cisterne Romane, it |
Civil Defense Caves, us |
| Grotte de Clamouse, fr |
Cueva Clara de Enpalme, pr |
Grube Clara, de |
| Clarksville Cave, us |
Clearwater Cave, my |
Clearwell Caves, gb |
| St. Clements Caves, gb |
Cliff Cave, us |
Cliffs Shaft Mine Museum, us |
| Clifton Cliff Jail, us |
Cloaca Maxima, it |
Grotte du Clos del Pous, fr |
| Le Clos des Roches, fr |
C.M.T. Underground Mine Tour, au |
Jenolan Caves - Devil's Coach House, au |
| Coaltown Museum, nz |
Grotte de la Cocalière, fr |
Grutas de Cocona, mx |
| Cody Caves Provincial Park, ca |
Schloß Colditz Escape Tunnels, de |
Coles Cave, bb |
| Les Coves del Collbato, es |
Grotta di Collepardo, it |
Cova d'es Coloms, es |
| Colonial Adit Underground Mine Tour, ca |
Colorado Bend State Park, us |
Colossal Cave, us |
| Colossal Cave, us |
Colosseum, it |
Colowyo Mine, us |
| Peştera Comarnic, ro |
Grotte des Combarelles, fr |
Combe Grède, ch |
| Grotte et Abime de Comblain-au-pont, be |
Comet Gold Mine, au |
Compromise Mine, us |
| Las Conchas, gt |
Conch Bar Caves, tc |
Con Moong Cave, vn |
| Consolidated Gold Mines, us |
Grotte Conturines, it |
Cooper's Cave, us |
| Copán, hn |
Coral Caverns, us |
Antro del Corchia, it |
| Corfu Cave Tour, gr |
Grottes du Cornadore, fr |
Corner Brook Cave, ca |
| Coronado Cave, us |
Grotte de la Glacière de Corrençon, fr |
Cosmic Caverns, us |
| Grotte Cosquer, fr |
Coteau Freedom Mine, us |
Coudersport Ice Mine, us |
| Grottes de Cougnac, fr |
Gabriel Coulet, fr |
The Country Boy Mine, us |
| Musée de la Mine Couriot, fr |
Dahlonega Courthouse Gold Museum State Historic Site, us |
Cueva de Covalanas, es |
| Gorges de la Covatanne, ch |
Cove Cave, gb |
Coxcatlán Cave, mx |
| Grutas de Coyame, mx |
Crag Cave, ie |
Crater of Diamonds State Park, us |
| Craters of the Moon, us |
Maison des Pierreux de Crazannes, fr |
Creede Underground Mining Museum, us |
| Cresson Mine, us |
Festungsmuseum Crestawald, ch |
Creswell Crags Gallery, gb |
| Creswell Crags, gb |
Grotte du Crête de Vaas, ch |
Cripta Basiliana di San Michele, it |
| Crisson Gold Mine, us |
Grutas de Cristal, es |
Mine Cristal, ca |
| Crocodile Harry, au |
Abri de Cro-Magnon, fr |
Crowborough Caves, gb |
| Crow Creek Mine, us |
Crown Cave, cn |
Cruachan Power Station, gb |
| Subterranean Crusader City, il |
Crvena Stijena, me |
Crveno Jezero, hr |
| Crystal Cave, us |
Crystal Caves, bm |
The Crystal Caves, au |
| Crystal Gold Mine, us |
Crystal Grottoes Caverns, us |
Crystal Lake Cave, us |
| Crystall Ball Cave, us |
Crystal Cave, us |
Crystal Onyx Cave, us |
| Crystal Cave Park, us |
Crystal Shrine Grotto, us |
Crystal Caverns at Hupp's Hill, us |
| Crystal Cave, us |
Cserszegtomaj barlang, hu |
Csodabogyós-barlang, hu |
| Cuarenta Casas, mx |
Cuarto-Cuarto Cave, ph |
Cuatro Puertas, es |
| Cub Run Cave, us |
Củ Chi Tunnels, vn |
Cuetzalan, mx |
| La Cuevona, es |
Cova es Cuilleram, es |
Çukurören Underground City, tr |
| Cullinan Mine, za |
Culver Hole, gb |
Cuma - Antro della Sibilla, it |
| Cumberland Caverns, us |
Curraghmore House, ie |
Grotte Cussac, fr |
| St Cuthbert's Cave, gb |
Cutta Cutta Caves, au |
Cuzamá Cenotes, mx |
| Cave of Cyclops, gr |
Sztolnia "Czarny Potok" w Tarnowskich Gorach, pl |
Daciyan, cn |
| Da Dung Mountain Caves, vn |
Daegeumgul, kr |
Roung Dai Ho, kh |
| Les gorges du Daillet, ch |
Daimasu shonyudo, jp |
Għar Dalam, mt |
| Dalton Gang Museum and Escape Tunnel, us |
Damanhur Temple, it |
Cueva de Damas, cr |
| Damawewe, pg |
Peştera Dambovicioara, ro |
Dambulla, lk |
| Damlatas Magarasi, tr |
Dan-yr-Ogof - National Showcaves Centre for Wales, gb |
Dandak Gufa, in |
| Daneilshöhle, de |
Danger Cave, us |
Dannemora Gruvor, se |
| Darband Cave, ir |
Darby's Cave, ag |
Grotte de Dargilan, fr |
| Daugbjerg Kalkgruber, dk |
Hang Dau Go, vn |
Daveli's Cave, gr |
| David Gareja, ge |
Historic Daydream Mine, au |
Dazu Grottoes, cn |
| D Dupleks, lv |
Central Deborah Gold Mine, au |
De Castellane, fr |
| Dechenhöhle, de |
Dedeli Konak, tr |
Gua Payau, my |
| Deinhard Kellermuseum, de |
Deir Muqallik, il |
Dekor 1 Gypsum Mine, ru |
| Delaware Copper Mine, us |
De Leon Springs, us |
Delprats Underground Tourist Mine, au |
| Demanovska L'adova Jaskyna, sk |
Demanovska Jaskyna Slobody, sk |
Demir Baba, bg |
| Grotte des Demoiselles, fr |
Demoiselle, fr |
Denisova, ru |
| Derinkuyu Underground City, tr |
Desert Cave Hotel, au |
DeSoto Caverns Park, us |
| Deutsches Bergbau Museum, de |
Deutsches Museum, de |
Devataška peštera, bg |
| Grotte de la Devèze, fr |
Devil's Den, us |
Devil's Den Cave, us |
| Devil's Hole, bm |
Devil's Icebox Cave, us |
Devil's Sinkhole, us |
| Devil's Well, us |
Dewstow Gardens and Grottoes, gb |
Cueva del Diablo, bo |
| Caverna do Diabo, br |
Cueva del Diabolo, es |
Diamond Caverns, us |
| Diamond Cave, jp |
Hotel Diar el Barbar, tn |
Dich Long Cave and Pagoda, vn |
| Didyma Caves, gr |
Diebeshöhle, de |
Diebshöhle, de |
| Diefenbunker, ca |
Karsthöhle Dienstedt, de |
Burghöhle Dietfurt, de |
| Digger's Dream Underground Home, au |
Dike Paku Gupha, np |
Diktaion Antron, gr |
| Diktaeon Cave, gr |
Dilek Magarasi, tr |
Dim Magarasi, tr |
| Dimbulagala, lk |
Dimnice Jama, si |
Dinosaur Caves Park, us |
| Dino's Monstergrot, nl |
Caverna del Dio Mithra, it |
Gorges de la Diosaz, fr |
| Diósgyör-Tapolca barlang, hu |
Diu Diu Cave, pg |
Divaška Jama, si |
| Divje Jezero, si |
Dixie Caverns, us |
Đalovića Pecina, me |
| Djara Cave, eg |
Djavolskoto Garlo Cave, bg |
Djurovica Jama, hr |
| Dobakhol, in |
Dobsinska Ladova Jaskyna, sk |
Dodurgalar Mağarası, tr |
| Doktorshöhle, de |
Dolaucothi Gold Mine, gb |
Dolinenweg Hengen, de |
| Doling Cave, us |
Dolní Vĕstonice, cz |
Dombashawa Rocks and Painted Cave Site, zw |
| Jaskyna Domica, sk |
Grotte de Domme, fr |
Muches de Domqueur, fr |
| Donauversickerung, de |
Cueva de Don Justo, es |
Donnersbachklamm, at |
| Doolin Cave, ie |
Dorking Caves, gb |
Dorotheastolln, de |
| Grotta dei Dossi, it |
Source du Doubs, fr |
Dougout Ranch, us |
| Tham Doun, la |
Down to Erth, au |
Cuevas del Drach, es |
| Drachenhöhle, at |
Drachenloch, ch |
Gruta del Drago, pa |
| Caverne du Dragon, fr |
Dragon Cave, cn |
Grotta della Dragonara, it |
| Dragon Hall Undercroft, gb |
Drakelow Tunnels, gb |
Drakospilia, gr |
| Drakonina Pecina, hr |
Grotte de la Draye Blanche, fr |
Dreidärrischenhöhle, at |
| Dreieingangshöhle, de |
Drei Kronen & Ehrt, de |
Wasserfall Dreimühlen, de |
| Schwerspatmuseum Dreislar, de |
Jaskyna Driny, sk |
Drive-in Mine, au |
| Spilaio Drogkarati, gr |
Les Drois Glands, lu |
Druidenhain, de |
| Dubocka Pecina, rs |
Ducktown Basin Museum, us |
Dudley Canal Tunnels, gb |
| Historisches Kuperbergwerk Düppenweiler, de |
Duivelsgrot, nl |
Dunaskin Open Air Museum, gb |
| Dunbar Cave, us |
Duncan Escarpment, ca |
DunHuang Mogao Caves, cn |
| Dunmore Caves, ie |
Dunsthöhle, de |
Dunston Cave, tt |
| Dupnisa Mağarası, tr |
Dureb Caves, na |
Durham Mining Museum, gb |
| Gorges du Durnand, ch |
Dust Devil Mine, us |
Dyavolski Most, bg |
| Dzibilchaltún Cenote, mx |
Cenote Dzitnup, mx |
Eagle Cave, us |
| Eagle and High Peak Mine, us |
Tomb of the Eagles, gb |
Earby Mining Museum, gb |
| Eastwater Cavern, gb |
Ebbor Gorge, gb |
Grotte d'Ebbou, fr |
| Eberstadter Tropfsteinhöhle, de |
Grottes des Echelles, fr |
Echidna Chasm, au |
| Echo Caves, za |
Eckert James River Cave, us |
Écomusée d'Alsace, fr |
| Ecton Mine Educational Centre, gb |
Edakkal, in |
Mina de El Eden, mx |
| CSM Edgar Experimental Mine, us |
Edna May Gold Mine, au |
Egkleistra, cy |
| Musée des Égouts, be |
Zinngrube Ehrenfriedersdorf, de |
Eichener See, de |
| Ein Gedi, il |
Einhornhöhle, de |
Einhornhöhle, at |
| Eisensteinstollen, de |
Eisensteinhöhle, at |
Höhlenmuseum Eisensteinhöhle, at |
| Altes Eisinger Loch, de |
Eiskapelle, de |
Eiskogelhöhle, at |
| Eispalast Jungfraujoch, ch |
Eispavillon Mittelallalin, ch |
Eisriesenwelt, at |
| Cueva de Ekain, es |
Ekotechnické Museum, cz |
El-Haouaria, tn |
| El Capitan Cave, us |
El Capulín Natural Pool, sv |
Cuevas de El Castillo y Las Monedas, es |
| El Cerrejón Coal Mine, co |
Eldorado Canyon Mine Tours, us |
Elephanta Caves, in |
| Elkep Evi Cave Houses, tr |
Jaunpils Elles Kalns, lv |
Spilea Ellinokamára - Ellinokamára Cave, gr |
| Ellinwood Underground Tunnels, us |
Elliot Lake Nuclear and Mining Museum, ca |
Elliott Underground Quarry, us |
| Ellora Caves, in |
El Majé Caves, pa |
El Malpais National Monument, us |
| El Meson de la Cava, do |
Cueva de El Pendo, es |
El Puente Natural, pa |
| El Torcal de Antequera, es |
Emerald Village, us |
Pestera Emil Racovita, md |
| Muzeul de Speologie "Emil Racoviţă", ro |
Emine Bair Khasar Cave, ua |
Empire Mine State Historic Park, us |
| Empire Cave, us |
Enchanted Cave, ph |
Endless Caverns, us |
| Cueva de Los Enebralejos, es |
Engenlochschlucht, at |
Schieferbergwerk im Engi, ch |
| Englebrecht Cave, au |
Enoshima Iwaya Cave, jp |
Enterprise Pit Mine Lookout, au |
| Entrische Kirche, at |
Furna do Enxofre, pt |
Le Blockhaus d'Éperlecques, fr |
| Eshab-i Kehf - Grotto of Seven Sleepers, tr |
Musée de la mine Epinac, fr |
Steinerne Rinne bei Erasbach, de |
| Tham Erawan, th |
Erawan Falls, th |
Bergbau- und Heimatmuseum Erbendorf, de |
| Erbendorfer Felsenkeller, de |
Alte Hoffnung Erbstolln, de |
Karstlehrpfad Breitscheid-Erdbach, de |
| Erdmannshöhle, de |
Grube Erich, de |
Erma Gorge, bg |
| Museo Minero de Riotinto "Ernest Lluch", es |
Stollen Erwein II, de |
Erzberg, at |
| Tropfsteinhöhle Erzenhausen, de |
Esbelli Evi, tr |
Minera Escondida, cl |
| Cenote Escondido, mx |
Gruta do Escoural, pt |
Gouffre d'Esparros, fr |
| Esperhöhle, de |
Gruta del Espiritu Santo, sv |
Essex Secret Bunker, gb |
| Esterlin, fr |
Grutas de la Estrella, mx |
Tunnel of Eupalinus, gr |
| Eureka Tunnel, us |
Eureka Springs Underground, us |
Sentier karstique à Excideuil, fr |
| Exeter's Underground Passages, gb |
Gouffre de la Fage, fr |
Fairy Cave, my |
| Buchan Caves - Fairy Cave, au |
Fairy Dell Cave, au |
Fakıllı Mağarası, tr |
| Bunker Falkenhagen, de |
Falkensteiner Höhle, de |
Falkirk Mine, us |
| Falling Waters Sink, us |
Knappenloch Fallwindes, at |
Cueva del Fantasma, ve |
| Fantastic Caverns, us |
Fantasy Cave, bm |
Fantasy World Caverns, us |
| I Faraglioni, it |
Faris Caves, us |
Le Faux Saulnier, fr |
| Fayes Underground Home, au |
Buchan Caves - Federal Cave, au |
Feengrotten, de |
| Grotte aux Fées, ch |
Grube Feggendorfer Stolln, de |
Felicitas Heilstollen, de |
| Besucherbergwerk Fell, de |
Fels Cave, vu |
Nürnberger Felsengänge, de |
| Die Felsenkeller in Egloffstein, de |
Felsenkirche Idar-Oberstein, de |
Hemer Felsenmeer, de |
| Fengyu Cave, cn |
Fern Grotto, us |
Fern and Roman Caves, gb |
| La Ferrassie, fr |
Ferreira's Mine, za |
Fertőrákosi Barlangszínház, hu |
| Špilja Feštinsko Kraljevstvo, hr |
Lycian Tombs at Fethiye, tr |
Grotta del Fico, it |
| Gorges du Fier, fr |
Wombeyan Caves - Fig Tree Cave, au |
Filipinas Larimar Mine, ca |
| St Fillan's Cave, gb |
Domaine Filliatreau, fr |
Finca Ixobel River Cave Trip, gt |
| Fingal's Cave, gb |
Finnforsrövarnas grotta, se |
Finsteres Loch, de |
| Besuchsbergwerk Finstergrund, de |
Schaubergwerk "Finstertal" Asbach, de |
Fire Clay Caverns, au |
| Fischbach, de |
Fisher Cave, us |
Fisher's Cave, us |
| Fish River Canyon, na |
Five-Flower Lake, cn |
Flaat Nikkelgruve, no |
| Flagstaff Lava River Cave, us |
Flogbergets gruva, se |
Grotte de Floreffe, be |
| Florence Mine Heritage Centre, gb |
Florida Caverns State Park, us |
Florida Museum of Natural History, us |
| Flour Cave, il |
Fluweelengrot, nl |
Fohlenhaus, de |
| Bergbaumuseum Fohnsdorf, at |
Grotte de Foissac, fr |
Folldal Gamle Gruver, no |
| Grottes de Folx-Les-Caves, be |
Parc Industriel et Ferroviaire du Fond-de-Gras, lu |
Le Fondry Des Chiens, be |
| Grotte de Font-de-Gaume, fr |
Cimitero delle Fontanelle, it |
Fontein Grot, aw |
| Minas Fonte Meu Bem Querer, br |
Fontaine de Fontestorbes, fr |
Abbaye Royale de Fontevraud, fr |
| Grottes de Fontirou, fr |
Cova de la Font Major, es |
Grotte de Fontrabiouse, fr |
| Cova Forada, es |
Forbidden Caverns, us |
Forchheimer Keller, de |
| Forestiere Underground Gardens, us |
L'Aven Grotte de la Forestière, fr |
La Fornace di Barbablù, it |
| Fort Bonifacio Tunnel, ph |
Fort Rock Cave, us |
Fort Stanton Cave, us |
| Grube Fortuna, de |
La Fosse de Forges, fr |
Grotte du Foulon, fr |
| Fountain Cave, us |
Fountain Cavern, ai |
Les mines d'argent du Fournel, fr |
| Fox River Caves, nz |
Höhlenburg Fracstein, ch |
Spilaion Frahthi - Frahthi Cave - Franchthi Cave, gr |
| Cueva de los Franceses, es |
Franciscan Monastery, us |
Francisco Dagohoy Cave, ph |
| Tomba Francois, it |
Frank Aston Underground Museum, au |
Franklin Mineral Museum & Mine Replica, us |
| Franklin Court Underground Museum, us |
Grotta Grande del Vento - Grotte di Frasassi, it |
Tempio del Valadier - Santa Maria di Frasassi - Infrasaxa - Grotte di Frasassi, it |
| Höhlenmuseum Frasdorf, de |
Frauenmauerhöhle, at |
Free Enterprise Health Mine, us |
| Furna de Frei Matias, pt |
Schaubergwerk St. Anna am Freudenstein, de |
Heilklimastollen Friedrich, at |
| Friedrich-Wilhelm-Stollen, de |
Gouffre Friouato, ma |
Eisenerzbergwerk Frischglück, de |
| Fröå gruva, se |
Fudo-kutsu, jp |
Cuevas de Fuentemolinos, es |
| Cuevas de Fuentes de Leon, es |
Festung Fürigen, ch |
Fürstenzeche, de |
| Grüner Bräu Keller, de |
Fugaku Fuketsu, jp |
Fugoppe-dokutsu, jp |
| Führerbunker, de |
Fuji-do, jp |
Fulford Cave, us |
| Funakubo Shonyudo, jp |
Funatsu Tainai, jp |
Furaku Cave, jp |
| Furen shonyudo, jp |
Parc National de Furfooz, be |
Gruta da Furninha, pt |
| Furong Dong, cn |
Futenma Gongen, jp |
Fuyang Cave, cn |
| Silberstollen Gabe Gottes, de |
Goa Gajah, id |
Galazia Spiliá - Blue Grotto, gr |
| Galázia Spiliá, gr |
Galázia Spiliá - Blue Grotto - Korithi Cave, gr |
Cueva de la Galiana, es |
| Miniera Gambatesa, it |
Gamirasu Otel, tr |
Sinks of Gandy, us |
| Gavi Gangadhareswara, in |
Knappenloch Ganotz, at |
Gap Cave, us |
| Gaping Ghyll, gb |
Grutas de Garcia, mx |
Gardner Cave, us |
| Sea Caves of the Gargano, it |
Grottes Prehistorique de Gargas, fr |
Gasparee Caves, tt |
| Gassel-Tropfsteinhöhle, at |
Gasteiner Heilstollen, at |
Cueva del Gato, es |
| Gaub Cave, na |
Store Gaulstadgrotta, no |
Mines Prehistòriques de Gavà, es |
| Parco Minerario Naturalistico di Gavorrano, it |
Gaxian Dong, cn |
Gcwihaba Caverns, bw |
| Geevor Tin Mine, gb |
Geghard, am |
Geikie Gorge, au |
| Geissenklösterle, de |
Szent Gellért plébania, hu |
Banícke Múzeum Gelnica, sk |
| Grotta del Gelo, it |
Gemeentegrot, nl |
Les Caves de la Genevraie, fr |
| Cueva de Genova, es |
Grotta del Genovese, it |
Genovevahöhle, de |
| Genovevahöhle, de |
Genzan-kutsu, jp |
Förderturm der Grube Georg, de |
| George's Gold Mine, au |
Geraer Höhler, de |
Spilaion Gerani, gr |
| German Underground Hospital, gb |
German Military Underground Hospital, gb |
German Naval Signals Headquarters, gb |
| La Grotta Dei Germogli, it |
Colline de Géronde, ch |
Kristallkluft Gerstenegg, ch |
| Grotto of Gethsemane, il |
Ghardaia, dz |
Peştera Ghetarul Focul Viu, ro |
| Giant's Cave, gb |
Giants Cave, au |
Grotta Gigante, it |
| Giligili Cave, pg |
Gilmerton Cove, gb |
Gimpel-Labyrinth, at |
| Ginryu-do, jp |
Der Karstwanderweg am Südharz, de |
Grotta Giusti Terme, it |
| Grotte de la Glacière, fr |
Cave of Padre Glandorff, mx |
Grube Glasebach, de |
| Travertine Terrasses in the Glatt Valley, de |
Jaskinia Głęboka, pl |
Besucherbergwerk Gleißinger-Fels, de |
| The turlough in Glenamaddy, ie |
Glengowla Mines, ie |
Glen Osmond Mine Tour, au |
| Glenwood Caverns, us |
Gletscherschlucht, ch |
Glifada, gr |
| Schaubergwerk Frisch Glück Glöckl, de |
Waitomo Glowworm Grotto, nz |
Tajemnicze Podziemne Miasto Gluszyca, pl |
| Göpfelsteinhöhle, de |
Göreme, tr |
Mine d'antimoine à Goesdorf, lu |
| Besucherbergwerk Im Gößner, de |
Goetz-Höhle, de |
Gökgöl Magarasi, tr |
| Gokuraku-do, jp |
Goldbergbaumuseum, de |
GoldBottom Mine Tours, ca |
| Gold Bug Mine, us |
Goldfield Mine, us |
Besucherbergwerk Goldhausen, de |
| Gold King Mine, us |
Gold Reef City, za |
Gold Road Mine Tours, us |
| Große und Kleine Golke, de |
Sótano de las Golondrinas, mx |
Jama Golubinka, hr |
| Golubinsky Proval, ru |
Golubnjaca Pecina, hr |
Blue Lake, ru |
| Gomantong Caves, my |
Gombasecka Jaskyna, sk |
Eisenbergwerk Gonzen AG, ch |
| Good Enough Mine, us |
Good Luck Cave, my |
Goodluck Mine, gb |
| Great Ocean Road, au |
Gossidong Gul, kr |
Gosudong Gul, kr |
| Gotthard Basistunnel, ch |
Vallée troglodytique des Goupillières, fr |
Gouvernéto Cave - Bears' Cave, gr |
| Goya shonyudo, jp |
Grotte de Goyet, be |
Goyomatsu shonyudo, jp |
| Gruvmuseet Grängesberg, se |
Graham Cave, us |
Granatium, at |
| Gran Cenote, mx |
Grand Caverns, us |
Jenolan Caves - Grand Arch, au |
| Grand Canyon Caverns, us |
Grand Canyon, us |
Les Grandes Canalettes, fr |
| Grand Gulf State Park, us |
Grotte du Grand Roc, fr |
Caverna La Gran Galería, cr |
| Grapčeva Špilja, hr |
Graselhöhle, at |
Parco Naturale del Rio Grassano, it |
| Grasslhöhle, at |
Bergbaumuseum Graubünden, ch |
Maisons troglodytes du Graufthal, fr |
| Great Cave, ky |
Great Masson Cavern, gb |
Great Onyx Cave, us |
| Great Orme Bronze Age Copper Mines, gb |
Great Rutland Cavern, gb |
Underground Great Wall, cn |
| Greenbrier Bunker, us |
Green Grotto Caves, jm |
Green's Cave, us |
| Greenwich Foot Tunnel, gb |
Greig's Scenic Caves, ca |
Caves Louis de Grenelle, fr |
| Grgosova Špilja, hr |
Griffener Tropfsteinhöhle, at |
Schaubergwerk am Grillenberg, at |
| Grimes Graves, gb |
Felslabor Grimsel, ch |
Kraftwerk Grimsel 2, ch |
| Grjótagjá, is |
Gronligrotta, no |
Große Grotte, de |
| Großer Lochstein, de |
Große Scheuer, de |
Grottenaquarium, nl |
| Höhlenburg Grottenstein, ch |
The Grotto, au |
The Grotto, mp |
| The Grove Park Inn, us |
Gruebisbalm Höhle, ch |
Gründelloch, de |
| Gruve 3, no |
Gruve 7, no |
Gruvkapellet, se |
| Grza, rs |
Guacara Taina, do |
Cueva del Guácharo, ve |
| Cueva de los Guácharos, co |
Guadirikiri Grot, aw |
Guadix Cave Houses, es |
| Cueva de Guahedum, es |
Guajataca Forest, pr |
Cueva de Gualicho, ar |
| Guanma Dong, cn |
Barranco de Guayadeque, es |
Bergbaumuseum und Besucherbergwerk Grube Günnersdorf, de |
| Musée des Gueules Rouges, fr |
Guhantara, in |
Skansen Podziemny "Guido" w Zabrzu, pl |
| Guildhall Medieval Crypt, gb |
Guimit Cave, ph |
Gujohachiman dai-shonyudo, jp |
| Guler Ice Caves, us |
Gunnadoo Gold Mine, au |
Gunns Plains Caves, au |
| Gunung Senyum Caves, my |
Gupteswor Mahadev Gufa, np |
Gupteswar Gupha, in |
| Gurugem Phuk, cn |
Gußmannhöhle, de |
Grube Gustav, de |
| Gutenberger Höhle, de |
Gutmana Ala, lv |
Guyaju Caves, cn |
| Gympie Gold Mining and Historical Museum, au |
Gyokusen-do, jp |
Haan Gul, kr |
| Hachijo fuketsu, jp |
Hack Green Secret Nuclear Bunker, gb |
Hadeland Bergverksmuseum, no |
| Ha Ha Tonka State Park, us |
Haig Colliery Mining Museum, gb |
Haikong Cave, cn |
| Hainault Gold Mine, au |
Haizhou Mine, cn |
Hakuba-do, jp |
| Hakuun-do, jp |
Bergbaumuseum Hall, at |
Halliggye Fogou, gb |
| Hallstatt, at |
Hal Saflieni Hypogeum, mt |
Hamilton Pool, us |
| Grotte Hamma, dz |
Cuevas de Hams, es |
Grottes de Han-sur-Lesse, be |
| Hana Lava Tube, us |
Hang Ma, vn |
Hang Son Doong, vn |
| Hannan's North Tourist Mine - The Mining Hall Of Fame, au |
Hantongshan Shenxian Dong, cn |
Haramiiska Dupka, bg |
| Musée de la Mine d'Harchies, be |
Hard Tack Mine, us |
Hard Times Mine, au |
| Haritun Cave, il |
Spilia Harkadio - Harkadio Cave, gr |
Harmanecká Jaskyna, sk |
| Bunker Harnekop, de |
Harrie Wood Cave, au |
Harrison's Cave, bb |
| Harman 1, au |
Hartness House, us |
Harwood's Hole, nz |
| Għar Hasan, mt |
Hashidate shonyudo, jp |
Hashima Mine, jp |
| Hastings Caves, au |
Musée de l'Abri de Hatten, fr |
Haunted Cave, us |
| Hausertorstollen, de |
Les Hautes Roches, fr |
Ardoisière Haut-Martelange, lu |
| Hawkstone Park, gb |
Hazan Caves, il |
Besucherbergwerk "Heilige Drei Könige", de |
| Goldgräberdorf Heiligenblut, at |
Heimensteinhöhle, de |
Heimkehle, de |
| Heineman Winery - Crystal Cave, us |
Heinrichshöhle, de |
Heinrich-Kocher-Stollen, de |
| Hei Shan Gou, cn |
Festung Heldsberg, ch |
Restaurant l'Hélianthe, fr |
| Hella-Glück-Stollen, de |
Hellfire Corner, gb |
Helme Koopad, ee |
| Henneth Annûn, XX |
Herbstlabyrinth-Adventhöhle-System, de |
Grottes d'Hercules, ma |
| Heritage Gold Mine Park, us |
Hermannshöhle, de |
Hermannshöhle, at |
| Höhle auf dem Großen Hermannstein, de |
Hermit's Cave, au |
Grutas los Herrara, mx |
| Schiefergrube Herrenberg, de |
Herts Young Mariners Base, gb |
Hezekiah's Tunnel, il |
| Hibbing Taconite Tours, us |
Hickelhöhle, de |
Hida dai-shonyudo, jp |
| Hidden Forest Cave, us |
Hidden River Cave, us |
Hidden Worlds Cenotes, mx |
| Hidee Gold Mine, us |
Hill Annex Mine, us |
Himalaya Tourmaline Mine, us |
| Himmelfahrt Fundgrube, de |
Himmelsbergstollen, de |
Himmlisch Heer, de |
| Hinagdanan Cave, ph |
Hirano-do, jp |
Hito-ana, jp |
| Hobbiton, nz |
Schaubergwerk Hochfeld, at |
Hochkarschacht, at |
| Hocking Hills State Park, us |
Hodruša Hámre, sk |
Hölloch, ch |
| Höhlenkundliches Museum, de |
Schaubergwerk Hofergraben, at |
Hoffnungsstollen Todtmoos, de |
| Hohenfels-Essinger Eishöhlen, de |
Magnesitstollen Hohentauern, at |
Hohlenstein, de |
| Hohler Fels, de |
Hohler Stein, de |
Tham Hoi, la |
| Hole N" The Rock, us |
Hole in the Rock, nz |
Holkovsky Monastery, ru |
| Hollenkammer, de |
Schloßberghöhlen, de |
Homestake Mine, us |
| Homestead Crater, us |
Honey Branch Cave, us |
Honeycomb Cave, nz |
| Honeycomb Cave, au |
Honister Slate Mine, gb |
Hopemore Mine, us |
| Hopewell Colliery, gb |
Hoq Cave, ye |
Horne Lake Caves, ca |
| Hornkullens gruvor, se |
Cueva de Hornos de la Peña, es |
Grand Hornu, be |
| Hoshino-no ana, jp |
Hospital Cave, vn |
Hotel Sassi Di Matera Diffuso, it |
| Grottes des 1001 Nuits, be |
Downtown Houston Tunnel System, us |
Hoverbergsgrottan, se |
| Howe Caverns, us |
How Stean Gorge, gb |
Hranická propast, cz |
| Gruta de Huagapo, pe |
Huanglong Dong, cn |
Huangzhu Dong, cn |
| Huashan Quarries, cn |
Huayan Temple, cn |
Hubbard's Cave, us |
| Hubertuskapelle, de |
Peştera Huda lui Papară, ro |
Huda Luknja, si |
| Besucherbergwerk Grube "Hühn", de |
Hülbener Tropfsteinhöhle, de |
Cueva Huerta, es |
| Schaubergwerk Hüttenberg, at |
Hufangalupe, to |
Hugh's Dale Waterfall, au |
| Grotte des Huguenots, fr |
Huliba Grot, aw |
Hull Rust Mine, us |
| 'Ana Hulu, to |
Humphrey Kynaston's Cave, gb |
Hundalm Eis- und Tropfsteinhöhle, at |
| Hungerbrunnen, de |
Dong Huong Tich, vn |
Hurricane River Cave, us |
| Husitské muzeum, cz |
Huto and Kamarband Cave, ir |
Hwaam Gul, kr |
| Hwanggeum Dong, cn |
Hwanseon Gul, kr |
Hyeopjae Gul - Ssangyong Gul, kr |
| Iagodinska Peštera, bg |
Peştera Ialomita, ro |
Bergbaumuseum Ibbenbüren, de |
| Iberger Tropfsteinhöhle, de |
Ice Cave, us |
Ice Caves Mountain, us |
| Ichetucknee Spring, us |
Għar Id-Duhhan, mt |
Idagrotte, de |
| Idaho's Mammoth Cave, us |
Idaion Antron, gr |
Ignateva Pestera, ru |
| Iho-Eleru, ng |
Cenote Ik Kil, mx |
Ikura-do, jp |
| Għar il-Kbir, mt |
Spilia Illithias - Cave of Ilithias, gr |
La Grotte (Illetas Club Playa), es |
| Illinois Caverns, us |
Il-Maqluba, mt |
Ilsenhöhle, de |
| Jenolan Caves - Imperial Cave, au |
Inanke Cave, zw |
Inazumi suichu shonyudo, jp |
| Puente del Inca, ar |
Incirli Cave, cy |
Indian Caverns, us |
| Indian Cave, ag |
Indianapolis City Market Catacombs, us |
Indian Echo Caverns, us |
| Indian Cave State Park, us |
Indian Cave Village, us |
Cuevas del Indio, cu |
| Grotta dell'Onferno, it |
Cueva del Infierno, pr |
3rd Infiltration Tunnel, kr |
| Ingleborough Cave, gb |
Ingleborough Cave, gb |
Injun Joe's Cave, us |
| Inkerman Cave Monastery, ua |
Qaura - Inland Sea, mt |
Inner Space Cavern, us |
| Institutul de Speologie "Emil Racoviţă", ro |
Insuyu Mağarasın, tr |
Intermittent Spring, us |
| Interstate Caves, us |
Limni Ioanninon - Lake Pamvotis, gr |
Ipswich Caves, jm |
| Irimizu shonyudo, jp |
Ironbridge Gorge Museum, gb |
Iron Mountain Iron Mine, us |
| Ishigaki Do, jp |
Grotte Is Janas, it |
Cava d'Ispica, it |
| Voragine di Ispinigoli, it |
Les Grottes Isturitz et Oxocelhaya, fr |
Grotte Is Zuddas, it |
| Ivanovo Rock Churches, bg |
Iwami Ginzan, jp |
Izuru shonyudo, jp |
| Jacks Blowhole, nz |
Jacob's Cave, us |
Jagersfontein Mine, za |
| Jameos del Agua, es |
James Bond Rock, th |
Štola Jana Evangelisty, cz |
| Podziemna Trasa w Jarosławiu, pl |
Jasovska Jaskyna, sk |
Jasujeong, kr |
| Javoříčské jeskyně, cz |
Mina de la Jayona, es |
Magharet Jeita, lb |
| Jeongbang Waterfall, kr |
Jersey Cave, au |
La Cueva del tío Jesús, es |
| Jewel Cave, us |
Margaret River Caves - Jewel Cave, au |
Jiguandong, cn |
| Jihlavské podzemí, cz |
Jillabenan Cave, au |
Jing Dong Da Rong Dong, cn |
| Jiulongdong, cn |
Jiutian Dong, cn |
Jiutian Dong, cn |
| Jiuxiang Scenic Resort, cn |
Jiuxiao Biyundong, cn |
Jobitzinaj Cave, gt |
| Joel Mine, za |
Johannisfelsen, de |
Poarta Lui Johele, ro |
| Goa Jomblang, id |
Jomon shonyudo, jp |
Grottes de Jonas, fr |
| Josefov Podzemi, cz |
Musée de la Mine à Joseph-Else, fr |
Les Journées de la Rose, fr |
| Jenolan Caves - Jubilee Cave, au |
Internationales Fledermaus-Museum Julianenhof, de |
Cavernas de Jumandi, ec |
| Junagadh Caves, in |
Wombeyan Caves - Junction Cave, au |
Jungfernhöhle, de |
| Junkundar Coal Mine, in |
Jurnet's Bar, gb |
Grutas de Juxtlahuaca, mx |
| Kaaiman's Grotto, za |
Magharet Qadisha, lb |
Bergbaumuseum und Besucherbergwerk Käpfnach, ch |
| Tham Kaew Komol, th |
Kagekiyo-do, jp |
Kahlensteinhöhle, de |
| Kailash Gufa, in |
Kain Hitam - The Painted Cave, my |
Kajlaška peštera, bg |
| Kaklik Mağarası, tr |
Kakushöhle, de |
Kalabera Cave, mp |
| Kalkstensgrottor, se |
Hohler Stein, de |
Emmi Cheese Cave Kaltbach, ch |
| Kamarai Gorge, gr |
Spilaio Kamares - Cave Kamaron - Kamares Cave, gr |
Kammerbacher Höhle, de |
| Haus des Bergmanns, de |
Besucherbergwerk Kamsdorf, de |
Cizinecký vstup do kanalizace, cz |
| Kanba-no Oni-no ana, jp |
Las Cuevas de K'an Ba, gt |
Kanheri Caves, in |
| Grotten Van Kanne, be |
Kanowna Belle Goldmines, au |
Kansas Underground Salt Museum, us |
| Mogharet el Kantara, ly |
Kantun Chi Caves, mx |
Tham Kao Rao, la |
| Bunker am Kap Arkona, de |
Kap-Kutan Cave, tm |
Kapova Cave, ru |
| Kåppasjåkkagrottorna, se |
Kapsia Cave, gr |
Kapucínská krypta, cz |
| Karaca Mağarası, tr |
Karaftu Cave, ir |
Karain Mağarası, tr |
| Karl-May-Höhle, de |
Karla Caves, in |
Karlyuk Caves, tm |
| Grutas Karmidas, mx |
Karstkundlicher Wanderweg Laichingen, de |
Kartchner Caverns State Park, us |
| Spilaio Kastritza - Kastritsa Cave, gr |
Spilia Katafiki, gr |
Spilia Katafygi, gr |
| Ghar Katalehkhor, ir |
Katano ana, jp |
Kåtavikens grottstig, se |
| Katavothres - Katabothres, gr |
Katavothres, gr |
Katerinska jeskyne, cz |
| Katerloch, at |
Katflaap Catacombs, mv |
Kathu Mining Museum, th |
| Tombs of the Kings, cy |
Katpatuka Cave Hotel, tr |
Kaumana Cave, us |
| Kaupo Ala, lv |
Kawachi Fuketsu, jp |
Kawiti Glowworm Caves, nz |
| Kayadem Cave Hotel, tr |
Musée National des Mines, lu |
Kaymaklý Underground City, tr |
| Kazanluk Tomb, bg |
Kazumura Cave, us |
Trypas Kefalas - Cave of Kefala, gr |
| Gua Kelam, my |
Gua Kelam 2, my |
Gua Kelawar, my |
| Kelebek Hotel, tr |
Kelly Mine, gb |
Kelly Hill Caves, au |
| Cave of Kelpius, us |
Kelvedon Hatch Secret Nuclear Bunker, gb |
Kennecott Mine, us |
| Kennedy Mine, us |
Kents Cavern, gb |
Kentucky Caverns, us |
| Kentucky Coal Mining Museum, us |
Caves of Keshcorran, ie |
Kesselfallklamm, at |
| Keswick Mining Museum, gb |
Magharet Kfar Him, lb |
Khandagiri Cave, in |
| Khangkhui Mangsor, in |
Tham Khao Khun Krathing, th |
Tham Khao Kop, th |
| Tham Khao Kriep Ngoen, th |
Tham Khao Luang, th |
Tham Khao Ngoen, th |
| Tham Khao No, th |
Khao Tham Phra, th |
Khayon Cave, mm |
| Khewra Salt Mines, pk |
Kh'ndzoresk, am |
Tham Khuha Sawan, th |
| Kickapoo Cavern State Park, us |
Kickapoo Indian Caverns, us |
Kiev Pechersk Lavra, ua |
| Besucherbergwerk Kilianstollen, de |
Killhope, gb |
Killing Caves, kh |
| Kimberley Mine - Big Hole, za |
Kimberley Underground Mining Railway, ca |
Kimnyongsa Gul, kr |
| Kin-nisshu-do, jp |
King's Cave, gb |
King Arthur's Labyrinth, gb |
| King Arthur's Cave, gb |
King Edward Mine, gb |
King George V Cave, au |
| König-Otto-Tropfsteinhöhle, de |
Kingsgate Mines, au |
King Solomon Cave, au |
| King Solomon's Mines, il |
Gold Cave Café and Bonsai Garden, jp |
Kinver Edge Rock Houses, gb |
| LKAB InfoMine Kiruna, se |
Kish Underground City, ir |
Kitley Show Cave, gb |
| Kittelsthaler Tropfsteinhöhle, de |
Kitum Cave, ke |
Kitzlochklamm, at |
| Kiwengwa Caves, tz |
Kizil Caves, cn |
Klackbergs Gruvfält, se |
| Bergbaumuseum Klagenfurt, at |
Klatovské katakomby, cz |
Klausenhöhle, de |
| Kleine Berlin, it |
Besucherbergwerk Kleinenbremen, de |
Gletschergrotte Klein Matterhorn, ch |
| Kleinsteinhöhle, de |
Edukacyjna w Starej Kopalni Uranu w Kletnie, pl |
Kleva gruva, se |
| Klodawa Salt Mine, pl |
Podziemna Trasa Turystyczna 1000-Lecia Panstwa Polskiego w Klodzku, pl |
Twierdza Klodzka, pl |
| Cave Church Klösterl, de |
Klosterstollen Barsinghausen, de |
Klusfelsen, de |
| Kluterthöhle, de |
Knalla gruvmuseum, se |
Lausitzer Bergbaumuseum Knappenrode, de |
| Schachtanlage Knesebeck, de |
Knife River Coal Mine & Bucket Site, us |
Kristallhöhle Kobelwald, ch |
| Legaga la ga Kobokwe, bw |
Koboriya shonyudo, jp |
Kocaín Mağarası, tr |
| Besucherbergwerk in Bad Friedrichshall-Kochendorf, de |
Kocherursprung, de |
De Beers Open Mine, za |
| Kojima Kurago, jp |
Kokopelli's Cave, us |
Kolar Gold Fields, in |
| Kolbinger Höhle, de |
Kolowrathhöhle, at |
Komakado Fuketsu, jp |
| Komati Gorge, za |
Kom es-Shouqafa, eg |
Komori kutsu, jp |
| Kompong Trach Cave, kh |
Konĕpruské jeskyně, cz |
Tham Kong Lor, la |
| Norsk Bergverksmuseum Kongsberg, no |
Konispol Cave, al |
Konnerud Gruver, no |
| Schacht Konrad, de |
Konungastollen, se |
Koori-ana, jp |
| Wombeyan Caves - Kooringa Cave, au |
Podziemne Muzeum "Kopalnia Zlota" w Zlotym Stoku, pl |
Stora Kopparberget, se |
| Koppartorp, se |
Koppenbrüllerhöhle, at |
Korallgrottan, se |
| Korkinsk Coal Mine, ru |
Korsanini Mağarası, tr |
Korykio Andro - Corycian Cave, gr |
| Kostanjevica Jama, si |
Kourtaliotiko Gorge, gr |
Spilia Koutouki - Koutouki Cave, gr |
| Sztolnie Kowary, pl |
Kow Ata Underground Lake, tm |
Wat Tham Krabok, th |
| Králova jeskynĕ, cz |
Krapina Cave, hr |
Tham Krasae, th |
| Krasnaja pestera, ua |
Krasnohorska Jaskyna, sk |
Krasny Klutch Spring, ru |
| Kraushöhle, at |
Karstlehrpfad Krippenstein, at |
Kristallgänge, de |
| Kristalnaja pestera, ua |
Kristinebergs gruva, se |
Krizna Jama, si |
| Nacionalni park Krka, hr |
Skansen Górniczy "Królowa Luiza" w Zabrzu, pl |
Kromdraai Gold Mine, za |
| Castello di Mezzocorona, it |
Höhlenburg Kropfenstein, ch |
Graphitbergwerk Kropfmühl, de |
| Krška jama - izvir Krke, si |
Krug, fr |
Krushuna, bg |
| Prahistoryczne Kopalnie Krzemienia w Krzemionkach, pl |
Kubacher Kristallhöhle, de |
Kühlloch, at |
| Fiery Caves of Kuhi-Malik, tj |
Kuhstall, de |
Kula Kai Caverns, us |
| Kulturbunker Barbarastollen, de |
'Ana Kuma, to |
Kumaso ana, jp |
| Kumganggul, kr |
Kumistavi Cave, ge |
Kuna Cave, us |
| Kungur ledenica pestera, ru |
Kunming Natural History Museum of Zoology, cn |
Historischer Kunstbunker, de |
| Kupferberg Museum, de |
Bergbau-Museum Kupferberg, de |
Schaubergwerk Kupferplatte, at |
| Kurjey Lhakhang, bt |
Hrádek a důl Osel Kutná Hora, cz |
Kutumsar Gufa, in |
| Kverkfjöll, is |
Kyrk Gyz Cave, tm |
Kyusen-do, jp |
| Kyzyl-Yar Cave, ru |
Laas Gaal, so |
Grotte de Labastide, fr |
| Grotte de Labeil, fr |
Budavári Labirinthus, hu |
Riv. Souterraine de Labouiche, fr |
| Lac Souterrain St-Léonard, ch |
Grotte de Lacave, fr |
Restaurant La Cave, fr |
| Laguna Lachua, gt |
Lackawanna Coal Mine Tour, us |
La Claustra Hotel, ch |
| La Coupole, fr |
Bunker Ladeburg, de |
Lærdalstunnelen, no |
| Caverne Laflèche Caves, ca |
La Fuente, pa |
Gruta da Lage Branca, br |
| Gruta do Lago Azul, br |
LagOmar, es |
Lago di Telese, it |
| La Gruta, pa |
La Gruta, mx |
Laguna Cave, bz |
| Laichinger Tiefenhöhle, de |
Margaret River Caves - Lake Cave, au |
Lake Shasta Caverns, us |
| Lalibela, et |
Musée de la Mine à La Machine, fr |
Lama La Vita, it |
| Grotta Lamalunga, it |
Lammeröfen, at |
Grottes de Lamouroux, fr |
| Grotta dei Lamponi, it |
Lamprechtsofen, at |
Hornické muzeum OKD Landek, cz |
| Lang's Cave, my |
Langbans Mines, se |
Höhlenwohnungen in Langenstein, de |
| Kupferschieferbergwerk Lange Wand, de |
Lanner Gorge, za |
Lanquín Caves, gt |
| Lanson, fr |
Lao Mei, cn |
Virgem da Lapa, br |
| Gruta Lapa Doce, br |
Gruta do Lapão, br |
Cueva de La Peña, es |
| Gruta da Lapinha, br |
Les Lapidiales, fr |
Għar Lapsi, mt |
| Historische Kupferzeche am Larzenbach, at |
La Salina, es |
Grotte de Lascaux, fr |
| Las Cuevas, es |
Cueva de las Manos, ar |
Cueva de la Lastrilla, es |
| Latomie, it |
Abri de Laugerie-Haute, fr |
Launois Père & Fils, fr |
| Laurel Caverns, us |
Laurent-Perrier, fr |
Grotte des Lauriers, fr |
| Historisches Silberbergwerk Lautenthals Glück, de |
Lava Beds Caves, us |
La Valette Underground Military Museum, gb |
| Lava River Cave - Newberry National Volcanic Monument, us |
Grotte de Laveuses, fr |
Tham Lawa, th |
| Goa Lawah, id |
Laxey Wheel, gb |
Layser Cave, us |
| Leamington Caves, bm |
Lebanon Silver Mine, us |
Salzbergwerk von Bex, ch |
| Le Caveau, fr |
Cueva de la Lechazas, pe |
Lechuguilla, us |
| Ledenika, bg |
Ledge View Nature Center, us |
Ledová jeskynĕ, cz |
| Technisches Denkmal Historischer Schieferbergbau Lehesten, de |
Lehman Caves, us |
Leichtweißhöhle, de |
| Leiðarendi, is |
Musée de la Mine Le Molay Littry, fr |
Volcan de Lemptégy, fr |
| Eisenerzgrube Lengede-Broistedt, de |
Grube Lengenbach, ch |
Lenore Caves, us |
| Schaubergwerk Leogang, at |
Grube Leonie, de |
Le Prince Noir, fr |
| Musée National de Préhistoire, fr |
Les Maisons de Cappadoce, tr |
Les Terrasses d'Uchisar, tr |
| Leveäniemigruvan, se |
Leviathan Lava Tube, ke |
Centre Historique Minier Lewarde, fr |
| Lewis and Clark Caverns State Park, us |
Lewis Merthyr Colliery, gb |
Pertouse de Leytro, ch |
| Li'angahuo 'a Maui, to |
Liang Bua Cave, id |
Liboriusklause, de |
| Lidbergsgrottorna, se |
Carrières de la Lie, fr |
Liechtensteinklamm, at |
| Lighthouse Cave, bs |
Peştera Liliecilor, ro |
Rimstone Pools of the Lillach River, de |
| Lima Catacombs, pe |
Limestone Caves, au |
Grotte de Limousis, fr |
| Lincoln Caverns, us |
Grotte de Lindéralique, nc |
Linggu Dong, cn |
| Lingqi Karst Cave, cn |
Ling Shan Cave, cn |
Linkenboldhöhle, de |
| Linville Caverns, us |
Lion Salt Works, gb |
Lipci Cave, me |
| Lippoldshöhle, de |
Lipska Pecina, me |
Lisboa Roman Galleries, pt |
| Source du Lison, fr |
Liss Ard, ie |
Lithgow State Mine, au |
| Gruvemuseet på Litlabø, no |
Fort de Litroz, ch |
Little American Mine, us |
| Little Hustan Cave, ca |
Liuku Show Cave, cn |
LKAB Gruvmuseum, se |
| Cueva de Llamazares, es |
The Welsh Slate Museum, gb |
Chwarel Hên Llanfair, gb |
| Cuevo del Llanos, es |
Llechwedd Slate Cavern, gb |
Llewelyn's Cave, gb |
| Llywernog Silver-Lead Mine Museum, gb |
Local Cave House, tr |
Höhlenburg Loch, de |
| Lockgruvan, se |
Lockport Cave Raceway Tour, us |
Locso-on Cave, ph |
| Lóczy barlang, hu |
Tham Lod, th |
Lötschberg-Basistunnel, ch |
| Loizos Cave, gr |
Jaskinia Łokietka, pl |
Gammelgruva Løkken, no |
| Špilja Lokvarka, hr |
Grutas de Lol-Tún, mx |
Lomax Placer Mine, us |
| Grotte de Lombrives, fr |
London Underground, gb |
Lonetopf, de |
| Loneversickerung, de |
Longgong Caves, cn |
Longhorn Caverns, us |
| Longkong Dong, cn |
Long Men Dong, cn |
Longmen Grottoes, cn |
| Longquan Cave, cn |
Long Tunnel Extended Gold Mine, au |
Longyearbreen Grotte, no |
| Loos Koboltgruva, se |
Lost Mine, us |
Lost River Caverns, us |
| Lost River Cave and Valley, us |
Lost Sea, us |
Lost World Caverns, us |
| The Lost World, nz |
Cueva de Los Verdes, es |
Lotus Cave, cn |
| Source de la Loue, fr |
Loughareema, ie |
Grotto of Massabielle, fr |
| La Louvière, be |
Tham Luang Pha Wiang, th |
Lubang Jepang, id |
| Lublova Torturak, mv |
Jenolan Caves - Lucas Cave, au |
Museo de La Lucha Obera, mx |
| Ludi Yan - Reed Flute Cave, cn |
Ludvika Gruvmuseum, se |
Ludwigshöhle, de |
| Lügenstein, de |
Luegstein Höhle, de |
Lugnås Minnesfjäll, se |
| Grotte de la Luire, fr |
Lummelundagrottan, se |
Lupercale, it |
| Luray Caverns, us |
Lurgrotte Peggau, at |
Lurgrotte Semriach, at |
| Lusk Cave, ca |
Grottes de Lustin, be |
Luzit Caves, il |
| Lydford Gorge, gb |
Lydstep Caverns, gb |
Spilaio Aggitis, gr |
| Maastricht Kazematten, nl |
Macahambus Cave, ph |
Museu Vulcanoespeleológico "Machado Fagundes", pt |
| Ma'arat HaMachpelah, il |
Mackinac Island State Park, us |
Propast Macocha, cz |
| Macraes Mine, nz |
Grotte de la Madelaine, fr |
Abri la Madelene, fr |
| Grotta della Madonna, it |
Madonna della Grotta, it |
Santuario della Madonna della Grotta di Bombile, it |
| Santuario della Madonna della Grotta, it |
Chiesa Cripta Madonna della Grotta, it |
Gua Madu, my |
| Tham Mae Lana, th |
Maeshowe, gb |
Tham Mae Usa, th |
| Tham Mae Usu, th |
Magili, am |
Magnanerie de Bourré, fr |
| Farmacia del Mago Greguro, it |
Magura, bg |
Mahabalipuram Caves, in |
| Mahendra Gupha, cn |
Mahendra Guffa, np |
Mailly Grand Cru, fr |
| Maimu Cave, ee |
Maison Forte, fr |
Cueva de la Majahua, mx |
| Majlis Al-Jin, om |
Makauwahi Cave, us |
Maki-do, jp |
| Malå Geo Museum, se |
Tham Malai, th |
Malá Pravčická Brána, cz |
| Malinta Tunnel, ph |
Malmberget Iron Mine, se |
Malovaný sklep, cz |
| Sentier Karstique des Malrochers, fr |
Cueva de Maltravieso, es |
Jama Mamet, hr |
| Mammoth Spring, us |
Mammoth Cave National Park, us |
Margaret River Caves - Mammoth Cave, au |
| Mammoth Hot Springs, us |
Dachstein-Mammuthöhle, at |
Manchester Cave, us |
| Gruta da Mangabeira, br |
Minas de Manganeso de Puras de Villafranca, es |
Mangapwani Slave Cave, tz |
| Mangapwani Coral Cavern, tz |
MangupKale, ua |
Manita pećina, hr |
| Manitou Cliff Dwellings, us |
Manjang Gul, kr |
Manjushree Gufa, np |
| Mansfeld Museum, de |
Grotta Maona, it |
Maori Leap Cave, nz |
| Gruta do Maquiné, br |
Maquoketa Caves State Park, us |
Marakoopa Cave, au |
| Maramagambo Caves, ug |
Grotta di Maratea, it |
Maratika Gufa, np |
| Grutas de las Maravillas, es |
Cueva de las Maravillas, do |
Marble Arch Caves, ie |
| Domaine de Marc Brédif, fr |
Le musée de la Mine Marcel Maulini, fr |
Cuevas de la Mare de Deu, es |
| Marengo Cave National Landmark, us |
Vai Marere, ck |
Maresha, il |
| Margate Caves, gb |
Margate Grotto, gb |
Cave à Margot, fr |
| Gruta da Maria Encantada, pt |
Besucherbergwerk Marie Louise Stolln, de |
Marienglashöhle, de |
| Marienschlucht, de |
Markt Höhler, de |
Mark Twain Cave, us |
| Besucherbergwerk Markus Semmler, de |
Marmarospilia, gr |
Maropeng, za |
| Les Caves de Marson, fr |
Marstrand Caves, se |
G.H. Martel et C°, fr |
| Martha Mine, nz |
Martinsloch, ch |
Marvel Cave, us |
| Mary Campbell Cave, us |
Mary King's Close, gb |
Aven de Marzal, fr |
| Miniera Marzoli, it |
Mascot Mine, ca |
Cuevas del Masical, hn |
| Rifugio Antiaereo Martana, it |
Museo della Miniera Massa Marittima, it |
Museo di Arte e Storia delle Miniere, it |
| Maison des Pierreux de Massangis, fr |
Minas de Matahambre, cu |
Matala Caves, gr |
| Grottes de Matata, fr |
Tham Mat Cha Pla Won, th |
Matchless Mine, us |
| The Cave Homes of Matmâta, tn |
Grotta Matromania, it |
Jaskyňa mŕtvych netopierov, sk |
| Mátyáshegy barlang, hu |
Mau Mau Caves, ke |
Mavri Spilia - Black Cave, gr |
| Mavri Spilia - Black Cave, gr |
Krem Mawsmai, in |
Grottes de Maxange, fr |
| Maximiliansgrotte, de |
Maximushöhle - The "Catacombs" of Salzburg, at |
Mayener Grubenfeld, de |
| Mazi Underground Settlement, tr |
McConnell Springs, us |
Meadowcroft Rockshelter, us |
| Jaskinia w Mechowie, pl |
Mecsek Bányászati Múzeum, hu |
Medicine Rocks State Park, us |
| Grotte de Médous, fr |
Höhler von Meerane, de |
Louisville Mega Cavern, us |
| Megali Spilia, gr |
Mega Spiléo - The Great Cave, gr |
Mejiro-do, jp |
| Spilaio tou Melidoniou, gr |
Limni Melissani, gr |
Musée des Mines d'Argent des Rois Francs, fr |
| Mellieħa Cave and Spring, mt |
Cueva de Mendukilo, es |
Menfudo shonyudo, jp |
| Cuevas de Menga y Viera, es |
Meramec Caverns, us |
Grotte delle Meraviglie, it |
| Mercer Caverns, us |
Mercier, fr |
Grotte de la Mer de Glace, fr |
| Sentier Karstique du Grand Bois, fr |
Erlebnis Bergwerk Merkers, de |
Merlin's Cave, gb |
| Mermerna Pecina, rs |
Pozzo del Merro, it |
Grotte Prehistorique des Merveilles, fr |
| Grotte Merveilleuse, dz |
Grotte La Merveilleuse, be |
Mesa Verde NP, us |
| Grottes de Beaume les Messieurs, fr |
Mészégető-forrásbarlang, hu |
Trassbergwerk Meurin, de |
| Die Meyerschen Stollen, ch |
Peştera Meziad, ro |
Rudnik svinca in cinka Mežica, si |
| Micheongul, kr |
La Micoque, fr |
Miedzyrzecki Rejon Umocniony, pl |
| Grotte de Milandre, ch |
Milarepa's Cave, cn |
Milatos Andron, gr |
| Mileştii Mici, md |
Milk Grotto Chapel, il |
Millennium Underground Museum, hu |
| Millie Mine Bat Cave, us |
Cueva del Milodon, cl |
Milton House, us |
| La Forteresse de Mimoyecques, fr |
Museo de la Mineria, mx |
Cueva de Las Minas, gt |
| Mindemoya Cave, ca |
Mine Howe, gb |
Minera Lead Mines, gb |
| Mineraliengrotte Vorderkrimml, at |
Miners' Dugouts, au |
Miners Heritage Walk-In Mine, au |
| Mines & Meadows ATV Riding Resort, us |
Mines View Park, ph |
Minigill Cave, ca |
| Minnesota Museum Of Mining, us |
Smaragdgruvene Byrud Gård, no |
Minnetonka Cave, us |
| Minntac Plant, us |
Mintaro Slate Quarries, au |
Mir Diamond Mine, ru |
| Grutas de Mira de Aire, pt |
Miskolc-Tapolca, hu |
Mission Mine, us |
| Cave Creek Mistress Mine, us |
Mitchell Caverns, us |
Mitchells Gully Gold Mine, nz |
| Mitchelstown Cave, ie |
Mitsugo shonyudo, jp |
Mittelbau Dora - Mittelwerk Dora, de |
| Miyama Shonyudo, jp |
Mizamiza Cave, tz |
Mizonoguchi dokutsu, jp |
| Mladečské jeskyně, cz |
Moaning Caverns, us |
Missouri Botanical Garden, us |
| Modra Spilia - Blue Grotto, hr |
Modrić Špilja, hr |
Grutas da Moeda, pt |
| Mønsted Kalkgruber, dk |
Moët & Chandon, fr |
Grotte des Moidons, fr |
| La Cave Aux Moines, fr |
Pulo di Molfetta, it |
Puig des Molins Nekropolis, es |
| Mollie Kathleen Mine, us |
Museum of Old and New Art, au |
Món De Sal, es |
| Monfort Bat Cave, ph |
Karstlehrpfad Monheimer Alb, de |
Monks' Prison, gr |
| Les Caves Monmousseau, fr |
Parco Minerario del Monte Amiata, it |
Grotta del Monte Capriolo, it |
| Museo delle Miniere di Montecatini, it |
Montelimar Cave, ni |
Monte Sant'Angelo sul Gargano, it |
| Grotta di Montevicoli, it |
Montezuma Castle National Monument, us |
Montezuma Well, us |
| Grotte de Mont-Fat, be |
La Ville Souterraine, ca |
Margaret River Caves - Moondyne Cave, au |
| Moon Water Cave, cn |
Tunnels of Moose Jaw, ca |
Tham Morakot, th |
| Schaubergwerk Morassina, de |
Morden Colliery, ca |
Mordloch, de |
| Morefield Gem Mine, us |
Morenci Mine, us |
Cueva de Morgan, co |
| Grottes de Morgat, fr |
Morgia Sant'Angelo, it |
Khazad-dûm, XX |
| Caverna do Morro do Couto, br |
Morro do Ouro, br |
Caverna do Morro Preto, br |
| Morwellham Quay, gb |
Moscow Metro, ru |
Mo So Cave, vn |
| Mother Shipton's Cave, gb |
Motuanga Cave, ck |
Les Moulins Souterrains du Col-des-Roches au Locle, ch |
| Grotte de Moulis, fr |
Laboratoire Souterrain de Moulis, fr |
Cave of the Mounds, us |
| Mountain Maid Gold Mine, au |
Mount Lyell Copper Mine, au |
Cova dos Mouros, pt |
| Abri du Moustier, fr |
Peştera Movile, ro |
Mozrovi, am |
| Mramornaja, ua |
Špilja Mramornica, hr |
Jaskinia Mroźna, pl |
| Bergbau- und Heimatmuseum Mühlbach, at |
Mühlbachquellhöhle, de |
Spring von Mühlberg, de |
| Mühlheimer Höhle, de |
Alaunwerk Mühlwand, de |
Peştera Muierilor, ro |
| Mulgol Cave, kr |
Wombeyan Caves - Mulwaree Cave, au |
Mumba Rockshelter, tz |
| G.H. Mumm, fr |
Muqattam Mountain Cave Cathedral, eg |
Cueva de los Murciélagos, es |
| Murrindal Caves, au |
Musée du Vin, fr |
Musejnaja, ru |
| Museo Arqueológico, es |
Museo Canario, es |
Museu de Minas Ouro Prêto, br |
| Museu de Temàtica Espeleològica, es |
Slovenské múzeum ochrany prírody a jaskyniarstva, sk |
Museum of Caves, nz |
| Museum Hotel, tr |
Cistern of Ancient Mycenae, gr |
Jaskinia Mylna, pl |
| Mystery Cave, us |
Mystic Caverns, us |
Zeche Nachtigall, de |
| El Nacimiento, mx |
Nagarjuna Caves, in |
Nahehe Cave, fj |
| Naica Crystal Caves - Cueva de las Espadas - Cueva de los Cristales, mx |
Naisese Caves, fj |
Naj Tunich, gt |
| Nakimu Caves, ca |
Tham Nam Bang, th |
Goldbergwerk Name Gottes, de |
| Nanaimo Museum, ca |
Nanaori shonyudo, jp |
Nanatsugama shonyudo, jp |
| La Cité Souterraine de Naours, fr |
Grotte de Napoléon, fr |
Museo del Sottosuolo Napoletano, it |
| Napoli Sotterranea, it |
Jeskyne Na Pomezi, cz |
Narni Sotterranea, it |
| Narusawa Fuketsu, jp |
Nashoba Brook Stone Chamber, us |
Jeskyně Na Špičáku, cz |
| Gruta do Natal, pt |
National Coal Mining Museum for England, gb |
Národi Technické Muzeum, cz |
| Grotto of the Nativity, il |
Natural Bridge Caverns, us |
Natural Bridge Caverns, us |
| Caverns at Natural Bridge, us |
Natural Stone Bridge and Caves, us |
Natural Tunnel, us |
| Neanderthal, de |
Nebelhöhle, de |
Necromanteion of Ephyra, gr |
| Nederland Mining Museum, us |
Needle's Eye, us |
Neitsikoobas, ee |
| Nenthead Mines Heritage Centre, gb |
Grottes de Neptune, be |
La Cueva de Nerja, es |
| Nesmith Cave, us |
Spílio tou Nestóros - Nestor's Cave, gr |
Netherton Tunnel Branch Canal, gb |
| Nettle Cave, au |
Grotte di Nettuno, it |
Neubulach - Hella-Glück-Stollen, de |
| Musée des Mines de Fer de Neufchef, fr |
Karstkundlicher Wanderweg Neuhaus/Pegnitz, de |
Neustädtler Hobbybergwerk, de |
| Newdegate Cave, au |
Newgrange, ie |
New Hope Cave, us |
| New Mexico Mining Museum, us |
Newnes Glow Worm Tunnel, au |
Ngarua Caves, nz |
| Ngilgi Cave, au |
Nguom Ngao Cave, vn |
Nhi Thanh Cave, vn |
| Niagara Cave, us |
Gua Niah, my |
Niasar, ir |
| Grotte de Niaux, fr |
Grottes de Nichet, fr |
Nidlenloch, ch |
| Niedaltdorfer Tropfsteinhöhle, de |
Jaskinia Niedźwiedzia, pl |
Jaskinia Nietoperzowa, pl |
| Nigardsbreen Ice Cave, no |
Nikau Cave, nz |
Die historische Grotte in den Herrenhäuser Gärten, de |
| St Ninian's Cave, gb |
Għar Ninu, mt |
Nippara shonyudo, jp |
| Niter Ice Cave, us |
Pigeonnier de la Niverdière, fr |
Cave Nivida, pa |
| Nixhöhle, at |
Nixseebecken, de |
The No. 9 Mine & Museum, us |
| Nodong Cave, kr |
Nohoch Nah Chich, mx |
Nõiakaev, ee |
| Noirmont Command Bunker, gb |
Nonsuch Caves, jm |
Noravank, am |
| Gruvmuseet Norberg, se |
Nordmarks museum, se |
Grotte de la Noré, fr |
| North Glory Hole, au |
North Head Tunnels, nz |
Norwich Guildhall Crypt, gb |
| Eisenerzgrube Nothweiler, de |
The Caves of Nottingham, gb |
Novoafonskaya, ge |
| Muzeum Gornictwa Podziemnego w Nowej Rudzie, pl |
National Stone Centre, gb |
Null Stern Hotel, ch |
| Grotta Nuova, it |
Nutty Putty Cave, us |
Amabera ga Nyinamwiru, ug |
| Grotte aux Nymphes, ch |
Nyvångs kolgruva, se |
Oberharzer Bergwerksmuseum, de |
| Gipsbergwerk Oberwiesen, ch |
Historische Silbergruben Oberzeiring, at |
Obir Tropfsteinhöhlen, at |
| WISMUT Objekt 90, de |
Obodska Cave, me |
Grotte de l'Observatoire, fr |
| Ochozská jeskynĕ, cz |
Ochtinska Aragonitova Jaskyna, sk |
Wasserbaum von Ockensen, de |
| Odaira shonyudo, jp |
Odelsteinhöhle, at |
Odessa Catacombs, ua |
| Odin Mine, gb |
Öblarner Kupferweg, at |
Bergbaumuseum Oelsnitz, de |
| Ötscher Tropfsteinhöhle, at |
Ofnethöhlen, de |
Ogba Ogbunike, ng |
| Ohio Caverns, us |
Ohtake shonyudo, jp |
Ohtaki shonyudo, jp |
| Uamh an Oir, gb |
Oja de Agua, mx |
Ojika-do, jp |
| Ojo de Agua, mx |
Ojo Guareña, es |
Ojukwu Bunker, ng |
| Caverna de la Olada, pe |
Old Dominion Mine Park, us |
Old Hundred Gold Mine Tour, us |
| Old New-Gate Prison & Copper Mine, us |
Old Spanish Treasure Cave, us |
Old Timers Mine, au |
| Old Water Wheel, au |
O'Leno State Park, us |
Olentangy Indian Caverns, us |
| Olgahöhle, de |
Grotte di Oliero, it |
Spilia Olimbi, gr |
| Olumo Rock, ng |
Olympic Dam Mine, au |
Gorges d'Ombleze, fr |
| Omuru Flying Fox Cave, pg |
Onagara shonyudo, jp |
Cueva de Oñati-Arrikrutz, es |
| Ondaldong Gul, kr |
Onondaga Cave, us |
Ontario Silver Mine, us |
| Onyx Cave at Guntown Mountain, us |
Onyx Cave Park, us |
Oparara Arch, nz |
| Podziemia Opatowskie w Opatowie, pl |
Oppenheimer Kellerlabyrinth, de |
Orakei Korako, nz |
| Gorges de l'Orbe, ch |
L'Orbiere, fr |
Ordinskaya Peschtera, ru |
| Oregon Caves, us |
Organ Cave, us |
Aven d'Orgnac, fr |
| Oribi Gorge, za |
Jenolan Caves - Orient Cave, au |
Orlovaca Cave, ba |
| Orlova Čuka, bg |
Grottes de Ornolac, fr |
Cueba de Oro, ph |
| Oroszlány Bányász Múzeum, hu |
Orphan Girl Mine, us |
La Grotta dell'Orso, ch |
| Orvieto, it |
Museum Industriekultur Osnabrück, de |
Senda del Oso, es |
| Osowka Complex, pl |
Grotte d'Osselle, fr |
Ossian's Cave, gb |
| Ossian's Cave, gb |
Ossian's Cave, gb |
Bergbau- und Industriemuseum Ostbayern, de |
| Osterhöhle, de |
Hüttenstollen Osterwald, de |
Ostrog Monastery, me |
| Oswaldhöhle, de |
Otliško Okno, si |
Otoska Jama, si |
| Grube Otto, de |
Otto Photo Underground Photographic Gallery, au |
Caverna Ouro Grosso, br |
| Le Musée de l'Ours de Cavernes, fr |
Outlaw Cave Tours, us |
Outokummun Kaivosmuseo, fi |
| Oven's Caves, ca |
Owensboro Area Museum of Science and History, us |
Oweynagolman Cave, ie |
| Grutas de Oxtotitlan, mx |
Oylat Mağaraları, tr |
Oyster Bar, us |
| Grand Central Oyster Bar, jp |
Ozark Caverns, us |
Özkonak Yeralti Şehri, tr |
| Ozluce Underground City, tr |
Pac Bo Cave, vn |
Gouffre de Padirac, fr |
| Gruta do Padre Caio, br |
Paengnyong Cave, kr |
Tham Pa Fa, la |
| Grotta Paglicci, it |
Pahiyangala, lk |
Painted Cave, us |
| Bois de Paiolïve, fr |
Paisley Caves, us |
Tham Pak Ou, la |
| Palabora Copper Mine, za |
Palaha Cave, nu |
Grotta Palazzese, it |
| Grotta di Pale, it |
Palmaz Vineyards, us |
Palm Jumeirah Underpass, ae |
| Grotta delle Palombe, it |
Pálvölgyi Barlang, hu |
Pamukkale, tr |
| Panagia Spiliani, gr |
Panagia Spiliani, gr |
Panama Rocks Scenic Park, us |
| Pandavleni Caves, in |
Panhulugan Cave II, ph |
Panhulugan Cave I, ph |
| Panias Spring, il |
Panxian Dadong, cn |
Papanikolís Cave, gr |
| Fromageries Papillon, fr |
Paradana Ledenika Jama, si |
Paradise Lost, ke |
| Paradise Pansiyon, tr |
Parc de la Préhistoire, fr |
Musée des Egouts de Paris, fr |
| Paris Ice Cave, us |
Parkhöhle Weimar, de |
Park City Silver Mine Tour, us |
| Parque de la Prehistoria, es |
Partnachklamm, de |
Bunkr Parukářka, cz |
| Minas de Passagem, br |
Schneeberg Passeier, it |
Grotta di Pastena, it |
| Pataleshwar Cave Temple, in |
Caverne Patate, mu |
Abri Pataud, fr |
| PATH, ca |
Paulinenhöhle, at |
Paviland Cave, gb |
| Pazinska jama, hr |
Peacock Springs, us |
Peak Cavern, gb |
| Peak Hill Open Cut Experience, au |
Grotte de Pech Merle, fr |
Casa de Pedra, br |
| Jama Pekel, si |
Spilaio sta Pelekita - Sikias Spilios - Cave of Pelekita, gr |
Pelion barlang, hu |
| Shpella e Pëllumbasit, al |
Peniger Kellerberggänge, de |
Penn's Cave, us |
| Peppersauce Cave, us |
Spelaio Peramatos - Perama Cave, gr |
A Visit of Perama Cave, gr |
| Musée d'Art et d'Archéologie du Périgord, fr |
The Pernod Accident, fr |
Grottes de Perrier, fr |
| Centre des Perrières, fr |
Perrier-Jouët, fr |
Perry's Cave, us |
| Schaubergwerk Pertisau, at |
Grotta dell'Angelo, it |
Peter's Cave, ky |
| La Petite Perrière, fr |
Petnicka Pecina, rs |
Petra Cave City, jo |
| Spilaio Petralona - Kókkines Pétres, gr |
Petrov Plže, cz |
Pecina kod Petrusa, rs |
| Les casemates de la Pétrusse, lu |
Petty John's Cave, us |
Pferdegöpel auf dem Rudolphschacht, de |
| Tham Pha Chom, th |
Tham Pha Hong, th |
Tham Pha Kouang, la |
| Tham Pha Thai, th |
Tham Pha Thong, th |
Tham Pha Tok, la |
| Phattalung - Phu Khao Ok Thalu, th |
Tham Phayanak, th |
Philipp's Cave, na |
| Les souterrains de Philippeville, be |
Besucherbergwerk Philippstollen Olsberg, de |
Phnom Slap Ta'aun Caves, kh |
| Phnom Sorsia Cave, kh |
Phoenix Mine, us |
Phong Nha Cave, vn |
| Wat Tham Phon Sawan, th |
Tham Phra Nang, th |
Tham Phra That, th |
| Tham Phra Wang Daeng, th |
Tham Phraya Nakhon, th |
Phugtal Gompa, in |
| Pictograph Cave, us |
Pidurangala, lk |
Chiesetta di Piedigrotta, it |
| Jaskinia Piekło, pl |
Pierre et Lumière, fr |
Maison de la Pierre de Volvic, fr |
| Pießling Ursprung, at |
Cuevas del Pilar, es |
Cueva de la Pileta - Pileta Cave, es |
| Pilog Mine, th |
Cueva del Pindal, es |
Pindaya Caves, mm |
| Pine Mountain Gold Museum, us |
Pinnacles National Monument, us |
Pinnacles, my |
| Cueva Pintada, es |
La Cueva de las Pinturas, hn |
Pioch Farrus Mine, fr |
| Buco del Piombio, it |
Pioneer Coal Mine Tunnel, us |
Piper Heidsieck, fr |
| La Cueva del Pirata, es |
Pirate's Caves, ky |
Piscina Mirabilis, it |
| Pitalkhora Caves, in |
Piusa Koopad, ee |
Pivka Jama and Crna Jama, si |
| PJ's Underground, au |
Tham Pla, th |
Grottes des Planches, fr |
| Planinska Jama, si |
Planina Karst Polje and Seasonal Lake, si |
Platteville Mining Museum, us |
| Spring von Plaue, de |
Alaunbergwerk Ewiges Leben Plauen, de |
Pleven Wine Museum, bg |
| Plitvička Jezera, hr |
Pluto's Cave, us |
Plzeňské historické podzemí, cz |
| Pocahontas Exhibition Coal Mine, us |
Pohara Natural Bridge, nz |
Abri du Poisson, fr |
| Polar Caves Park, us |
Polchar Cave, gb |
Poldark Mine, gb |
| Pôle Historique Minier, fr |
La Grotta di Polla, it |
Peştera Polovragi, ro |
| Pol Roger, fr |
Cueva del Pomier No 1, do |
Pommery, fr |
| Le Troglo des Pommes Tapees, fr |
Ponce de Leon Springs, us |
Ponderosa Saloon Mine, us |
| Cenote Ponderosa, mx |
Pestera Ponicova, ro |
Podul Natural de la Ponoarele, ro |
| Cova des Pont, es |
Pont Bon Dieu Jardin Cave, mu |
Pont d'Arc, fr |
| Grottes Pont d'Arcole, be |
Gorges du Pont du Diable, fr |
Grotte de la Pontoise, fr |
| Poole's Cavern, gb |
Pooley Hall Colliery, gb |
Poppenröder Quelle, de |
| Portal 31, us |
Cueva de los Portales, cu |
Porthcurno Telegraph Museum, gb |
| Porth yr Ogof, gb |
Portland Underground, us |
Postojnska Jama, si |
| Potosi Cooperative Mines, bo |
Potpecka Pecina, rs |
Gouffre de Poudrey, fr |
| Powintaung Cave Pagodas, mm |
Cueva de Pozalagua, es |
Mineral de Pozos, mx |
| La dolina Pozzatina, it |
Pozzo della Cava, it |
Salina Praid, ro |
| Praid, ro |
Phou Prasat, la |
Gruta Pratinha, br |
| Pravčická Brána, cz |
Prax Eishöhle, at |
Miniera di Raibl, it |
| Predjamska Jama, si |
Le Fort de Pré-Giroud, ch |
Le Prehistorama, fr |
| Les Grottes de Presque, fr |
Besucherbergwerk Prettau, it |
Cave du Prieuré, fr |
| Princess Margaret Rose Cave, au |
Progetto Sinkhole, it |
Prohodna Cave, bg |
| Prosek hill, cz |
Prospero's Cave, bm |
Gouffre de Proumeyssac, fr |
| Puentedey Puente Natural, es |
Cueva del Puerto, es |
Pützlöcher, de |
| Il Pulo, it |
Deep Valley of Pulsano, it |
Tham Pum - Tham Pla, th |
| Punakaiki Cavern, nz |
Punarjani Guha, in |
Punkevni jeskyne - Punkva River Cave, cz |
| Pupu Springs, nz |
Puri di monte Pugliano, it |
Höhlenschoß Puxer Luegg, at |
| Qala Qala, bo |
Qilin Cave, cn |
Qilin Cave Park, cn |
| Qixia Shan, cn |
Qixing Yan, cn |
Quackenschloß, de |
| Cueva de la Quebrada del Toro, ve |
Queen Mine Tour, us |
Queen City Underground, us |
| Quelltuffpfad Lingenau, at |
Grottes du Queroy, fr |
Quincy Mine Hoist, us |
| La Gruta del Quintero, mx |
Qumran Caves, il |
Ghar-e-Qūrī Qal'eh, ir |
| Rabensteiner Stollen, de |
Raccoon Mountain Caverns, us |
Underground Racquets Ltd., us |
| Radeka's Downunder, au |
Radmer Paradeisstollen, at |
Jaskinia Radochowska, pl |
| Rainbow Springs, us |
Jaskinia Raj, pl |
Rajkova Pecina, rs |
| Te Ana O Rakanui, ck |
Rákóczi barlang, hu |
Rakov Skocjan Nature Reserve, si |
| La Cueva de la Ramblera, es |
Silberbergwerk Ramingstein, at |
La Grotte Ramioul, be |
| Rammelsberg, de |
Besucherbergwerk Ramsbeck, de |
Ranger Uranium Mine, au |
| Rappenlochschlucht, at |
Höhlenburg Rappenstein, ch |
Rasboinichja, ru |
| Cave of Rabbi Shimon bar Yochai, il |
Rat's Nest Cave, ca |
Raucherkarhöhle, at |
| Raufarhólshellir, is |
Schieferschaubergwerk Raumland, de |
Galleria Ravaccione, it |
| Ravanicka Pecina, rs |
Ravansar Spring, ir |
Ravenska Jama, si |
| Pecina Ravnistarka, rs |
Rawhiti Cave, nz |
Rawis Cave, ph |
| Rebecca's Cave, ky |
Schieferstollen Recht, be |
Reckenhöhle, de |
| Grottes de Réclère, ch |
Redcliffe Caves, gb |
The Grotto of the Redemption, us |
| Red Hill Alluvial Mine, au |
Redwall Cavern, us |
Reed Gold Mine, us |
| Reefton Gold Mine Tours, nz |
Refsvikhula, no |
Grotte de Regourdou, fr |
| Regro S, lv |
Reichhartschacht, de |
Cova do Rei Cintolo, es |
| Gruta Rei do Mato, br |
The Reigate Caves, gb |
Grotte de la Reine Hortense, nc |
| Reinhold Forster Erbstollen, de |
Grottes de Remouchamps, be |
Santuario de Vida Silvestre Cavernas de Repechon, bo |
| Republic Iron Mine, us |
Resavska Pecina, rs |
Grotte di Rescia, it |
| Re Tarquinio, it |
Retretti, fi |
Rettenwandhöhle, at |
| Retzer Erlebniskeller, at |
Festungsmuseum Reuenthal, ch |
Abri Reverdit, fr |
| Reykjavik 871±2, is |
Grutas Rey Marcos, gt |
Ruin Aulta, ch |
| Eisgrotte Rhonegletscher, ch |
Rhumequelle, de |
Ribas Underground Camping, au |
| Jenolan Caves - Ribbon Cave, au |
Rickwood Caverns, us |
Ridi Vihara, lk |
| Ridnaun, it |
Bergwerk Riedhof, ch |
Riesenburg, de |
| Dachstein-Rieseneishöhle, at |
De prehistorische vuursteenmijnen van Rijckholt - St. Geertruid, nl |
Rikoriko Cave, nz |
| Rimarau Burial Cave, ck |
Rinquelle, ch |
Rio Camuy Cave Park, pr |
| Nacimiento Del Rio Choy, mx |
Rio Frio Caves, bz |
Balma di Rio Martino, it |
| Rio Secreto, mx |
Parque Minero de Riotinto, es |
Rischbachstollen, de |
| Risovaca Pecina, rs |
Jenolan Caves - River Cave, au |
Riverbend Cave, ca |
| River Rise State Park, us |
Roaring River Cave, jm |
Robber's Cave, in |
| Robber Baron Cave, us |
Robbers Cave State Park, us |
Robinson Crusoe's Cave, cl |
| Roc Cave, ph |
Roc-aux-Sorciers, fr |
Rocha de Pena, pt |
| Grotte du Château de La Roche, fr |
Grotte Château de La Roche Courbon, fr |
Grotte de Rochefort, fr |
| Grotte de Lorette, be |
Village troglodyte Rochemenier, fr |
Cave des Roches, fr |
| Fontaine de Roches, fr |
Rock Springs, us |
The Rock Gardens, gb |
| Rockwoods Cave, us |
Roden Crater, us |
Besucherbergwerk "Markus-Röhling-Stolln", de |
| Bergbaumuseum Röhrigschacht, de |
Rofflaschlucht, ch |
Steinerne Rinne bei Rohrbach, de |
| Rokan-do, jp |
Grotte de Roland, fr |
Rolla Experimental Mine, us |
| Grotte des Romains, fr |
Pestera Romanesti, ro |
Romeinse Katacomben, nl |
| Cueva de Romeral, es |
Riparo di Romito, it |
Romualdova Špilja, hr |
| Bergbaumuseum Ronneburg, de |
Baume de Ronze, fr |
Grotte de Roque St Christophe, fr |
| Olavsgruva, no |
Rosemont Copper Mine, us |
Gletscherschlucht Rosenlaui, ch |
| Rosenmüllerhöhle, de |
Rosevale Mine, gb |
Rosh haNikra, il |
| Ross Cave, au |
Rossland Mining Museum, ca |
Lehrbergwerk Grube Roter Bär, de |
| Eishöhle bei Roth, de |
Feste Rothenberg, de |
Grotte de Rouffignac, fr |
| Round Spring, us |
Round Spring Cavern, us |
Buchan Caves - Royal Cave, au |
| Royston Cave, gb |
Roznana Mining Museum, sk |
Banícke múzeum Rožňava, sk |
| Ruakuri Cave, nz |
Rua Rere, ck |
Ruby Falls, us |
| Rudolf-Stollen, de |
Rudolfova štola, cz |
Tham Ruesi, th |
| Tham Ruesi Sombat, th |
Ruggles Mine, us |
Ruijing Cave, cn |
| Ruinart, fr |
Cueva del Rull, es |
Rumathi Caves, ke |
| Mt. Rushmore Cave - Beautiful Rushmore Cave, us |
Russell Cave National Monument, us |
Ryongmun Taegul, kp |
| Ryu-un shonyudo, jp |
Ryuga-do, jp |
Ryugashi-do, jp |
| Ryugu Doketsu Iriguchi, jp |
Ryugujo shonyudo, jp |
Ryusen-do, jp |
| Rzeczka Complex, pl |
Saarbrücker Kasematten, de |
La Sablière, fr |
| Historic Old Sacramento, us |
Sacred House, tr |
Sacro Speco, it |
| Sado Kinzan, jp |
Wat Tham Saeng Phet, th |
Sagrada Familia Cave, ph |
| Cenote Sagrado, mx |
Sahoolan Cave, ir |
Sai Baba Tambun Cave Temple, my |
| Saiko Komori-ana, jp |
La Grotte de Saint-Elzéar, ca |
Grottes de Saint Antoine, fr |
| Grottes de Saint-Cezaire, fr |
Grotte de Sainte-Baume, fr |
The Caves of Saint Ignacio, mx |
| Carrière Saint-Just, fr |
Cavernicole de Saint-Léonard, ca |
Saint Louis Eisenthür, fr |
| Champignonnière St Maur, fr |
Les Grandes Caves Saint Roch, fr |
Grotte de Saint-Vit, fr |
| Sai Yok Noi Waterfall, th |
Sakishirazui-no ana, jp |
Sala Silvergruva, se |
| La Salata Necropoli Paleocristiana, it |
Gole del Salinello, it |
Salt Museum, gb |
| Saltpetre Cave, us |
St. Salvator, de |
Salzaspring, de |
| Salzachöfen, at |
Salzwelten Salzburg, at |
Salzgrabenhöhle, de |
| Samaria Gorge, gr |
Samograd Špilja - Samograd Cave, hr |
Samograd Špilja, hr |
| Grube Samson, de |
Cenote Samulá, mx |
Samwel Cave, us |
| Túnel de San Adrian, es |
Miniera San Aloisio–Tassara, it |
Cueva de San Ambrosio, cu |
| Sanbang Gul, kr |
Eremo di San Bartolomeo in Legio, it |
San Carlos Cave, ph |
| Eremo di S. Colombano, it |
Grutas de San Cristóbal, mx |
Sand Cave, us |
| Sandanbeki Dokutsu, jp |
Sandbalmhöhle, ch |
Sandia Cave, us |
| Podziemna Trasa Turystyczna w Sandomierzu, pl |
Sand Cave, us |
Cueva San Elias, es |
| Grotta San Francesco, it |
Grotta di S. Giovanni di Domusnovas, it |
San Giovanni d'Antro, it |
| Cenote San Ignacio, mx |
San Jaun de las Aguas, ni |
San José Silver Mine, bo |
| Gruta de San Jose, es |
San Lorenzo Maggiore, it |
Locanda di San Martino, it |
| Grotta di San Michele, it |
San Michele Arcangelo, it |
Grotta di S.Michele Arcangelo, it |
| Grotta San Michele, it |
Grotta di San Michele, it |
Grotta dell'Angelo, it |
| Grotta San Michele, it |
Grotta di San Michele Arcangelo, it |
Grotta di San Michele, it |
| Eremo di San Michele, it |
San Michele delle Grotte, it |
San Michele, it |
| San Michele Arcangelo, it |
Santuario San Michele, it |
Sanmin Bat Cave, cn |
| Cuevas de San Miquel, cu |
Gruta San Pedro, bo |
San Sebastián de las Grutas, mx |
| Parco Archeominerario di San Silvestro, it |
Cova Santa, es |
Cueva Grande de Santa Catalina, cu |
| Grotte di Santa Croce, it |
Museo delle Miniere Santa Fiora, it |
Santa Maria della Nova, it |
| Caverna Santana, br |
Museo Regional de Prehistoria y Arqueología, es |
Grotta di Sant'Angelo, it |
| Sant'Angelo in Vetulis, it |
Sant'Angelo, it |
Monte Sant'Angelo, it |
| Sant'Angelo Le Ripe, it |
Grotta Sant'Angelo, it |
SantaPark, fi |
| Santa Rosa Lava Tubes, ec |
Cueva de Santián, es |
Cueva de Santimamiñe, es |
| La Cova de Sant Martí, es |
The Caves of the Island of Espiritu Santo, vu |
Grutas de Santo-Adriao, pt |
| Grutas de Santo-António, pt |
Santo Niño Cave, ph |
La Gran Caverna de Santo Tomás, cu |
| Catacumbas do Santuário do Caraça, br |
Pozzo Santullo, it |
Sanyou Dong, cn |
| Grutas de São Vicente, pt |
Höhlen auf Madeira by Knut Brenndörfer, pt |
Troglodytes & Sarcophages, fr |
| Grotte Prehistorique de Sare, fr |
Sarnıç, tr |
Saruta-do, jp |
| Cuves de Sassenage, fr |
Sassi, it |
Hotel Sassi, it |
| Sataplia Cave, ge |
Moravský sklípek, cz |
Terme di Saturnia, it |
| Grotte et Canyon de Saulges, fr |
Champignonnière du Saut-aux-Loups, fr |
Grottes de Savonnieres, fr |
| Sawa-i-Lau Caves, fj |
Sawahlunto Coal Mine Museum, id |
Peştera Scarisoara, ro |
| Scenic Caves, ca |
Grube Schauinsland, de |
Schellenberger Eishöhle, de |
| Schermerhorn Cave, us |
Schertelshöhle, de |
Scheukofenhöhle, at |
| Schiele Museum of Natural History, us |
Schillathöhle, de |
Schillerhöhle, de |
| Miniera Schilpario, it |
Schinderhanneshöhle, de |
Museum Uranbergbau Schlema, de |
| Burgruine Schloß im Loch, de |
Schloß Stein, de |
Schmiechquelle, de |
| Schmiecher See, de |
Schmittenstollen, de |
Schmutzlerzeche, de |
| Schneckenloch, at |
Schöllenenschlucht, ch |
Höhlenmuseum Schönbergalm, at |
| Scholmzeche - Aufrichtigkeit, de |
Schopflocher Moor, de |
Schuilen in Maastricht, nl |
| Großes Schulerloch, de |
Schwandorfer Felsenkeller, de |
Bergbaumuseum Schwarzer Crux, de |
| Schwarzwassergraben, ch |
Schwarzwasserhöhle, at |
Schwazer Silberbergwerk, at |
| Grotte di Sciacca, it |
Grotte Scladina, be |
Scotland's Secret Bunker, gb |
| Scott's Grotto, gb |
Scottish Mining Museum Trust, gb |
Caverne Sculptée, fr |
| Blei- und Silberbergwerk Val S-charl, ch |
La grotte du Sdragonatu, fr |
Sea Lion Caves, us |
| Secret Caverns, us |
Sedom Cave, il |
Seefeldhöhle, ch |
| Seegrotte, at |
Segeberger Kalkberghöhle, de |
Grube Segen-Gottes, de |
| Segen-Gottes-Erbstolln, de |
Seisenbergklamm, at |
Sekigahara dai-shonyudo, jp |
| Selçuklu Evi, tr |
Seldom Seen Tourist Coal Mine, us |
Selman Bat Cave, us |
| Semuc Champey, gt |
Senbutsu-do, jp |
Seneca Caverns, us |
| Seneca Caverns, us |
Spilaio Sphentoni, gr |
Seokguram Grotto, kr |
| Seongnyu Gul, kr |
Crystal Cave, us |
Sequoyah Caverns, us |
| Serbian Underground Church, au |
Serinn, tr |
Lourdes Grotto, aw |
| Setergrotta, no |
Setesdal Mineral Park, no |
Spilia Epta Parthena, gr |
| Sextantio Albergo Diffuso Le Grotte Della Civita, it |
Gorges du Seyon, ch |
Grotte et cascade de Seythenex, fr |
| Buchan Caves - Shades Of Death Cave, au |
Shanjuan Dong, cn |
Shankargarh Caves, in |
| Shapoor, ir |
Shawnee Cave Amphitheatre, us |
Sheffield Mine, us |
| The Shelter, cn |
Shelter No. 20, jp |
Shem Va'Ever Cave, il |
| Shenandoah Caverns, us |
Shengjinkou, cn |
Shennong Gong, cn |
| Shigawatari-do, jp |
Shihuadong, cn |
Shi Lin, cn |
| Shimao Wonderland Hotel, cn |
Shimoni Caves, ke |
Shinsen-do, jp |
| Shirataki shonyudo, jp |
Shizushi-do, jp |
Shoryu-do, jp |
| Shoshone Ice Caves, us |
Show Cave Night Gallery, us |
Shuanglong Cave, cn |
| Shui Lian Dong, cn |
Shunt, gb |
Sibbergroeve, nl |
| Sieben-Täler-Höhle, de |
Sierra Silver Mine Tour, us |
Sierra Cave, ph |
| Sigiriya, lk |
Site néolithique de Sigoniac, fr |
Schaubergwerk Silberberg, ch |
| Silbergründle, de |
Grube Silberhardt, de |
Historisches Schmucksteinbergwerk Silberschacht, de |
| Silicka Ladnica Jaskyna, sk |
Silkeborg Bunker Museum, dk |
Silver Cave, cn |
| Silver King Mine Exhibit, us |
Silver Springs Nature Park, us |
Silver Stream Cave, cn |
| London Silver Vaults, gb |
Simon's Cave, my |
Simpson Copper Mineshaft, ca |
| Simserhof, fr |
Sinks Canyon State Park, us |
Sipja Donggul, kr |
| Šipka jeskyně, cz |
Sipun, hr |
Siracourt VI Storage Bunker, fr |
| Sirgensteinhöhle, de |
Sitting Bull Crystal Cave, us |
Sitton's Cave, us |
| Skallbergsgrottan, se |
Skaren-Monsen caves, no |
Skarin Samograd, hr |
| Skeleton Cave, us |
Skelsky Pestera, ua |
Skirwith Cave, gb |
| Skocjanske Jame, si |
Skottvångs Gruva, se |
Skull Cave, pg |
| Skull Cave, ky |
Skyline Cavern, us |
Slaughter Canyon Cave, us |
| Slough Caverns, gb |
Sloupsko-sosuvske jeskyne, cz |
Smallin Cave, us |
| SMART Tunnel, my |
Grotta dello Smeraldo, it |
Smocza Jama, pl |
| Smoke Hole Caverns, us |
Smoo Cave, gb |
Smrekova Draga, si |
| Smuggler Mine and Compromise Mine, us |
Snailbeach Lead Mine, gb |
Snežanka Peštera, bg |
| Snezna Jama, si |
Snibston Discovery Museum, gb |
Snow Lake Mining Town Museum, ca |
| Snowy Mountains Hydro-electric Scheme, au |
Société des Caves de Roquefort, fr |
Sof Omar, et |
| Grotta del Sogno, it |
Sohoton Natural Bridge, ph |
Sohoton Cave, ph |
| Soledar Salt Mine, ua |
Soligorsk Salt Mine, by |
King Solomon's Quarries, il |
| Solotvyno, ua |
Solvayovy Lomy, cz |
Solymári ördöglyuk-barlang, hu |
| Erlebnisbergwerk Sondershausen, de |
Song-am Donggul, kp |
Caverns of Sonora, us |
| Arizona-Sonora Desert Museum, us |
Cueva de S'avenc de Son Pou, es |
Sontheimer Höhle, de |
| Cueva de Sopeña, es |
Sophienhöhle, de |
Cueva del Soplao, es |
| Sopron Bányászati Múzeum, hu |
Cuevas de Sorbas, es |
Grotte du Sorcier, fr |
| Sorek Cave, il |
Soudan Underground Mine, us |
La Grotte de Soustelle, fr |
| South Crofty Mine, gb |
South Glory Cave, au |
South Ice Cave, us |
| South Wales Miners' Museum, gb |
Grottes prehistoriques de Soyons, fr |
Spannagelhöhle, at |
| Spar Cave, gb |
Sparozna Jama, hr |
Sparwood Mine Tours, ca |
| Spa Terra, us |
Spectrum Mines, au |
Spectrum Sunstone Mine, us |
| Speedwell Cavern, gb |
Speleobiološka Postaja, si |
Musée Suisse de Spéléologie, ch |
| Spellbound Glowworm Cave, nz |
Castello di Sperlinga, it |
Sperrgebiet National Park, na |
| Spider Cave, us |
Les minières de silex néolithique de Spiennes à Mons, be |
Grotta della Spipola, it |
| Spirit Mountain Cave, us |
Splidfrik Cave, mv |
Spokane Bar Sapphire Mine, us |
| Spook Cave, us |
Spring Cave, us |
Spring Mill State Park, us |
| La Grotte de Spy, be |
Squaw Cave, us |
Squire Boone Caverns & Village, us |
| St Agatha's Catacombs, mt |
Stagebarn Crystal Cave, us |
Staglin Family Vineyard, us |
| Stahlberger Erbstollen, de |
Stalin's Bunker, ru |
Standedge Tunnel, gb |
| St Andrew's Hall Undercroft, gb |
Stanišovská jaskyňa, sk |
St. Anna Fundgrube, de |
| St Anthony's Well, gb |
Star Cave Hotel, tr |
Pesterna Crkva Sveti Atanasie, mk |
| St Blaize Cave, za |
St Cuthbert's Swallet, gb |
Steam and Bat Caves, vu |
| Steenkolenmijn Valkenburg, nl |
La mine St Nicolas à Steinbach, fr |
Heimat- und Braunkohlemuseum Steinberg am See, de |
| Steinernes Haus, de |
Bergbaumuseum Steinhaus, it |
Historische Edelsteinminen im Steinkaulenberg, de |
| Steinkirche, de |
Pesterna Crkva Sveti Erazmo, mk |
Sterkfontein Caves, za |
| Sterling Hill Mining Museum, us |
Stevens Twin Sinks Preserve, us |
St. George Monastery, il |
| St. Gideon Erbstollen, de |
St. Helena Gold Mine, za |
St. Herman's Cave, bz |
| La Grotta di Stiffe, it |
St. John Mine, us |
Grottes de St-Marcel d'Ardèche, fr |
| St Margaret's Cave, gb |
Caves St. Martin, lu |
Pesterna Crkva Sveti Arhangel Mihail, mk |
| St. Michael's Caves, gb |
Stollbergs Gruvor, se |
La Mine de Cuivre et le Musée Koffergrouf, lu |
| Stone Cavehouse Hotel, cn |
Stone Forest, cn |
Stopica Pecina, rs |
| Storbergets gruvor, se |
Storrisbergsgrottorna, se |
The Story of Berlin, de |
| St Paul Subterranean River National Park, ph |
St Paul's Catacombs, mt |
St Paul's Grotto, mt |
| Grotto of St. Peter in Antioch, tr |
St Peter's Bunker Museum, gb |
Grotten St. Pietersberg, nl |
| Pesterna Crkva Sveti Stefan, mk |
Stump Cross Caverns, gb |
Stump Cross Caverns, gb |
| Sturmannshöhle, de |
Limni Stymphalia, gr |
Wat Tham Sua, th |
| Subterranean Seattle, us |
SubTropolis, us |
Subway Cave, us |
| Sudbury Mining Museum, ca |
Suddah Guffa, np |
Sudwala Caves, za |
| Sueva Dupka, bg |
Sugomak Pestera, ru |
Agua Sulfurosa, pe |
| Sulitjelma Besøksgruver, no |
Bergbaumuseum Sulzburg, de |
Sumaging, ph |
| Su Mannau Grotte, it |
Grotta di Su Marmuri, it |
Sümela Manastırı, tr |
| Schaubergwerk Sunfixl-Höhle, at |
Sungai Lembing, my |
Hang Sung Sôt, vn |
| Sunny Jim Cave, us |
The Super Pit Lookout, au |
Suplja Greda, hr |
| Surtshellir-Stefánshellir system, is |
Susiluola, fi |
Las Cuevas de Susmay, hn |
| Sutter Gold Mine, us |
Tham Suwan Kuha, th |
Ginina Mogila - Thracian Tomb of Sveshtari, bg |
| Sveta Jama, si |
Sviatohirsk Lavra, ua |
Jeskyně svatého Ivana, cz |
| Swartkrans Cave, za |
The Cave of Swimmers, eg |
Sybil's Cave, us |
| Sydvaranger Mine, no |
Sygun Copper Mine, gb |
Syrauer Drachenhöhle, de |
| Szemlö-Hegy Barlang, hu |
Sziklakórház Múzeum, hu |
Szt. István Barlang, hu |
| Tabergs gruva, se |
Caves of Tabon, ph |
Županova Jama - Taborska Jama, si |
| Tham Tab Tao, th |
Täuferhöhle, ch |
Tagansky, ru |
| Restaurante Tagoror, es |
Taiji Dong, cn |
Grotte Taillerie du Puy de Dôme, fr |
| Taio Kinzan, jp |
Taisho-do, jp |
Champagne Taittinger, fr |
| Lake Taka, gr |
Take 5 Bar, gb |
Anatakitaki, ck |
| Tham Takobi, th |
Taktsang Dzong, bt |
Għar tal-Iburdan, mt |
| Talava Arches, nu |
Taldinskij, ru |
Las Cuevas de Talgua, hn |
| Talijanova Buža, hr |
Talking Rocks Cavern, us |
Tal-Mintna Catacombs, mt |
| Talofofo Cave, gu |
Tamana Caves, tt |
Tam Coc, vn |
| Động Tam Cung, vn |
Taminaschlucht, ch |
Grotta della Tanaccia, it |
| Grotta Tanella, it |
Vai Tango, ck |
Cueva en Taninul, mx |
| Taniwha Cave, nz |
Taniwha Cave, nz |
Tankavaaran Kultakylässä, fi |
| Tantanoola Cave, au |
Taoyuandong, cn |
Wat Tham Tapan, th |
| Tapolcai Tavasbarlang, hu |
Tarawera Falls, nz |
Tar Tunnel, gb |
| Tassili n'Ajjer, dz |
Għar Tat-Tramuntana - Għar Tat-Tramuntana, mt |
Tatlarin Underground City, tr |
| Taubenlochschlucht, ch |
Tauerngold-Rundwanderweg, at |
Cuevas de Taulabe, hn |
| Tawi Ateer, om |
Taxco Silver Mines, mx |
Te Anaroa Cave, nz |
| Te Anaroa Cave, nz |
Te Anau Glowworm Caves, nz |
Teeq, om |
| Tekniikan Museo, fi |
Tekniska Museet, se |
Tellure, fr |
| Temiya Cave, jp |
Temnata dupka, bg |
La Mine Témoin, fr |
| The Templars Tunnel, il |
Temple Mine, gb |
Jenolan Caves - Temple of Baal Cave, au |
| L'Osteria del Tempo Perso, it |
Gua Tempurung, my |
Tenglong Dong, cn |
| Teorumata Cave, nz |
Teotihuacán, mx |
Tepe-Kermen, ua |
| Gua Terang Bulan, my |
Sima Terciopelo, cr |
Terra Mystica, at |
| Gua Terus, my |
Cueva del Tesoro, es |
Les Gorges Mystérieuses de Tête Noire, ch |
| Tetri Cave, ge |
Tettyei Mésztufa-barlang, hu |
Teufelshöhle, de |
| Teufelsschlucht, ch |
Teufelshöhle, de |
Besuchsbergwerk Teufelsgrund, de |
| Teufelsschlucht, de |
Grotte de Teyjat, fr |
Grottes de Thaïs, fr |
| Thames Gold Field, nz |
Tham Thanh Cave, vn |
Tham Than Lot, th |
| Tharon Cave, in |
The Bunker, gb |
The Cave Bar, cy |
| The Caves Hotel, jm |
The Crypt, gb |
Theopetra Cave, gr |
| Gruben- und Feldbahnmuseum Zeche Theresia, de |
Therissou Gorge, gr |
Hot Springs State Park, us |
| Thetford Mines, ca |
Hang Thien Cung, vn |
Thien Duong, vn |
| Les Hautes-Mynes du Thillot, fr |
Thingbæk Kalkminer, dk |
Thor's Cave, gb |
| Le Thot, fr |
Grotte de Thouzon, fr |
Three Creeks Gold Mine, au |
| Los Tres Ojos, do |
Threlkeld Quarry and Mining Museum, gb |
Thunder Head Underground Falls, us |
| Thurston Lava Tube, us |
Tianmen Dong, cn |
Tianyi Lane, cn |
| Tiefer Molchner Stollen, de |
Tiefer Stollen, de |
Dong Tien Son, vn |
| Tieqa Zera - Azure Window, mt |
Tiergartentunnel, de |
Tierradentro Rock Tombs, co |
| Tiger Cave, bz |
Cueva del Tigré, ar |
Tilden Mine, us |
| Tilly Whim Caves, gb |
Sorgenti del Timavo, it |
Timmins Underground Gold Mine Tour, ca |
| Timobo Cave, ph |
Timor Caves, au |
Timpanogos Cave National Monument, us |
| Tinago-an Cave, ph |
Cueva de la Tinaja, es |
TinazTepe Mağarları, tr |
| Casas Cueva del Tio Tobas, es |
Tipton-Hayes Farm Cave, us |
Acropolis of Ancient Tiryns, gr |
| Tiscali, it |
Tischofer Höhle, at |
Titan Missile Museum, us |
| Tito's Cave, ba |
Tito's Bunker, ba |
Cuevo de Tito Bustillo, es |
| Toburn Mine, ca |
Grotta Toddeitu, it |
Togo Chasm, nu |
| Tohma Shonyudo, jp |
Tohro-no iwaya, jp |
Toi Kinzan, jp |
| Grotte di Toirano, it |
Shutoken Gaikaku Hosuiro, jp |
Grutas de Tolantongo, mx |
| Tom Leonard Mining Museum, gb |
Tomnadashan Mine, gb |
Tom Taylor's Cave, gb |
| Spelaio Ton Limnon, gr |
Tonopah Historic Mining Park, us |
Pesterii Topolnita, ro |
| Torghatten, no |
Tori Hell, ee |
Gruta das Torres, pt |
| Gruta da Torrinha, br |
Totsui shonyudo, jp |
Tour-Ed Mine, us |
| Touri Cave, ck |
Grotte de Tourtoirac, fr |
The Grottoes of Toyuk, cn |
| Grottes de Trabuc, fr |
Hung Trang An, vn |
Mines d'Asphalte Site de la Presta à Travers, ch |
| Treak Cliff Cavern, gb |
Cave of Treasures, il |
Trebišnjica River, ba |
| Tre Buchi, ch |
Tregiffian Burial Chamber, gb |
Grotta dei Tre Livelli, it |
| Gorges du Triege, ch |
Gorges du Trient, ch |
Trigrad Gorge, bg |
| Trio barlang, hu |
Catacombs at Trípiti, gr |
Brunnenstollen Trippstadt, de |
| Troglododo, fr |
Troilus Mine, ro |
Trollholene, no |
| Hang Trong, vn |
Village Troglodyte de Trôo, fr |
Le Trou de la Fée, ca |
| Trough Creek, us |
Trout Lake Ice Cave, us |
Troy Spring, us |
| Trümmelbachschlucht, ch |
Truitt's Cave, us |
Grotta del Trullo, it |
| Tschamberhöhle, de |
Tscheppaschlucht, at |
Tsodilo Rock Paintings, bw |
| Tsutskhvati Cave, ge |
T.T. No 5, my |
Tučepska Vilenjača, hr |
| Tuckaleechee Caverns, us |
Tulsa Cave House, us |
Tumbling Creek Cave, us |
| Tumbling Creek Cave, us |
Tumbling Rock Cave, us |
Tünel, tr |
| Actun Tunichil Muknal, bz |
Grottes des Tunnels, fr |
Tunnelgrottor, se |
| Stockholms Tunnelbana, se |
Tunnel Creek National Park, au |
Salina Turda, ro |
| Turloughmore, ie |
Jeskyně na Turoldu, cz |
Préhisto Parc, fr |
| Tushuk Tash, cn |
Twannbachschlucht, ch |
Two Sisters Cave, jm |
| Tyendinaga Cave, ca |
Tykarpsgrottan, se |
Tytoona Cave, us |
| Tytyri Gruvmuseum, fi |
Uamh-an-Righ, gb |
Grutas de Uaxactún, gt |
| Gruta de Ubajara, br |
Ubong Caves, ph |
Uçhisar Kalesi, tr |
| Uchjimagi-do, jp |
Udabno, ge |
Udayagiri Caves, in |
| Überlinger Stollen, de |
Uhlovitsa Pestera, bg |
Ulmer Museum - Archaeologic Collection, de |
| Schaubergwerk "Glück Auf" Ulpenalpe, at |
Ulupaka, nu |
Uluru, au |
| Grottor i Umeå, se |
Umoona Opal Mine and Museum, au |
Umpherston Sinkhole, au |
| Undara Lava Tubes, au |
Undavalli Caves, in |
Beijing's Underground City, cn |
| Underground Church, au |
Mount Isa Underground Hospital and Museum, au |
Underground Potteries, au |
| Underground Gold Miners Museum, us |
The Underground Motel, au |
UnderWorld, is |
| Pestera Ungurului, ro |
Unicorn Brewery Cellars, au |
Upana Caves, ca |
| Upliszikhe, ge |
Upton Cave, us |
Uracher Wasserfall, de |
| Cuevas de Urdax, es |
Urgeschichtliches Museum in Blaubeuren, de |
Ürgüp Evi Cave Hotel, tr |
| Urnerloch, ch |
Peştera Urşilor, ro |
Urspring, de |
| Museum Ladin Ursus ladinicus, it |
Uspensky Cave Monastery, ua |
Ust-Kansky, ru |
| Utatlan Cave, gt |
Utö Iron Mines, se |
La Grotte de la Vache, fr |
| Peştera de la Vadu-Crisului, ro |
Vaganska Cave, ba |
Vagonetto, gr |
| Vaikona Chasm, nu |
Vaishno Devi, in |
Valenciana Mine, mx |
| Grottes de Vallorbe, ch |
Cueva De Valporquero, es |
Pertes de la Valserine, fr |
| Valtice sklípek, cz |
Grotten Van Hato, an |
Vanis Kvabebi, ge |
| Van Trinh, vn |
Var Barlang, hu |
Vardzia, ge |
| Parco Grotta Cascata Varone, it |
Vasco Caves, us |
Vass Imre barlang, hu |
| Spilaio tou Vathis, gr |
Sacre Grotte Vaticane, it |
Fontaine de Vaucluse, fr |
| The Vault, nl |
Vazecka Jaskyna, sk |
Vela Spila, hr |
| Muzej Premogovništva Slovenije, si |
Minas Velha, br |
Erlebnisbergwerk Velsen, de |
| Cavernas del Venado, cr |
Cueva de las Ventanas, es |
Grotta del Vento, it |
| Le Grotte Verdi di Pradis, it |
Vereina Tunnel, ch |
Verenaschlucht, ch |
| Verteba Pestera, ua |
Špilja Veternica, hr |
Veuve Clicquot, fr |
| Vezir Cave Suites, tr |
Via Mala, ch |
Victoria Tunnel, gb |
| Victoria Fossil Cave, au |
Hellirinn Vidgelmir, is |
Musée de la Mine de Vieille Aure, fr |
| Vieng Xai Cave City, la |
Underground Vienna, at |
Cueva del Viento, es |
| Abysso Vigant, it |
Carriere de Vignemont, fr |
Demeure de la Vignole, fr |
| Tham Pya Nak - Viking Cave, th |
Farángi Vikou, gr |
Furnas de Vila Velha, br |
| Vildmarksgruvan, se |
Jama Vilenica, si |
Villacorta Cave, ph |
| Villa Fliedner, de |
Cueva de Villa Luz, mx |
Grotte Prehistorique de Villars, fr |
| Villa Torlonia, it |
Villecroze Caves, fr |
Chateau Villemaurine, fr |
| Vimy Memorial - Grange Tunnel, fr |
Spilja Vindija, hr |
Vinegar Hill Mine, us |
| Pestera Vintului, ro |
Virgin Falls, us |
Visnes Gruvemuseum, no |
| Festung Vitznau, ch |
Pećina Vjetrenica, ba |
Vlaams Mijnmuseum, be |
| Pu Sam Cap Grottoes, vn |
Vogelherdhöhlen, de |
Vogelherdgrotte, de |
| Vogts Grub, de |
Voice of Biafra Bunker, ng |
Volkmarskeller, de |
| Volle Rose, de |
Vorderkaserklamm, at |
Voronya pestera, ge |
| Špilja Vranjača - Vranjaca Cave, hr |
Vranjska draga, hr |
Vražji Prolaz, hr |
| Vrelo Špilja, mk |
Vrelo Špilja, hr |
Špilja Vrlovka, hr |
| Vulcania, fr |
Vulkan Brauerei, de |
Vulture City Gold Mine and Ghost Town, us |
| Jeskyně Výpustek, cz |
Vzintga Gorge, mv |
Wabasha Street Caves, us |
| Wachsender Felsen, de |
Wai'anapanapa Cave, us |
Waihi Gold Mining Museum and Art Gallery, nz |
| Waikanaloa Caves, us |
Wailotu Caves, fj |
Waipu Caves, nz |
| Wakulla Spring, us |
Muzeum Przemyslu i Techni w Walbrzychu, pl |
Podziemne Fabryki Walimia, pl |
| Walk-in Mine, au |
Sandsteinhöhle in Walldorf, de |
Walsingham Nature Reserve, bm |
| Minera Wanda, ar |
Gua Wang Burma, my |
Wanlockhead Museum, gb |
| War Eagle Cavern, us |
Warren's Shaft, il |
Warsaw Caves, ca |
| Schaubergwerk "Herkules-Frisch-Glück" Waschleithe, de |
Washington 'F' Pit Industrial Museum, gb |
Washington Gold And Silver Mine, us |
| Washizawa Fuketsu, jp |
Nürnberger Wasserstollen und Kasematten, de |
Watermouth Caves, gb |
| Wattson and Wattson Jewelry Store, us |
Waulpane Cave, lk |
Floyd Collins Museum, us |
| Western Belize Regional Cave Project, bz |
Weathercote Cave, gb |
Weathercote Cave, gb |
| Weber an der Wand, de |
Weebubbie Cave, au |
Kanaltunnel Weilburg, de |
| Besucherbergwerk Fundgrube Weißer Hirsch, de |
Wekiwa Springs, us |
Wellington Caves, au |
| Wellington Caves, fr |
Wemyss Caves, gb |
Wendelsteinhöhle, de |
| Grube Wenzel, de |
Werner-Boyce Salt Springs, us |
West Cave, us |
| Western Approaches Command Centre, gb |
The Western Wall Tunnels, il |
West Norwood Cemetery Catacombs, gb |
| Westwallmuseum Pirmasens, de |
Westwallmuseum Irrel, de |
West Wycombe Caves, gb |
| Wet Cave, au |
Weta Cave, nz |
Wheal Hughes Copper Mine, au |
| White Cave, ca |
White's Mining Museum, au |
White Cliffs, au |
| White Cliff Cave, us |
White Fathers Cave, ie |
White Scar Cave, gb |
| Höhlenburg Wichenstein, ch |
Widderin Caves, au |
Wiehler Tropfsteinhöhle, de |
| Wieliczka Salt Mine, pl |
Wielka Sniezna, pl |
Wienerwaldmuseum, at |
| Jaskinia Wierzchowska Górna, pl |
Nederlands Wijnmuseum Arnhem, nl |
Wildenmannlisloch, ch |
| Wildkirchli, ch |
Wildschönauer Erlebnisbergwerk, at |
Wille Gottes Thalheim, de |
| Williamson's Tunnels, gb |
Wilson Butte Cave, us |
Friedrichshöhle - Wimsener Höhle, de |
| Wind Cave, us |
Wind Cave, my |
Windber Coal Heritage Center, us |
| Windjana Gorge, au |
Philp's Cave, gb |
Windsor Cave, jm |
| Winterlislöchli, ch |
Cave Without a Name, us |
Włodarz Complex, pl |
| Wörschachklamm, at |
Wogan Cavern at Pembroke Castle, gb |
Grube Wohlfahrt, de |
| Steinerne Rinne bei Wolfsbronn, de |
Wolfsschanze, pl |
Bunker Wollenberg, de |
| Wombeyan Caves - Wollondilly Cave, au |
Wolongdong, cn |
Wonder Cave, us |
| Wondercave, za |
Wonderland Cave Natural Park, us |
Wonderland Cave, us |
| Wonderwerk Cave, za |
Wonder Cave, us |
Wondrous Caves, jm |
| Wonthaggi State Coal Mine, au |
Woodhorn Colliery, gb |
Woodward Cave, us |
| Wookey Hole, gb |
Bunkerpark Wünsdorf, de |
Wulfbachquellhöhle, de |
| Wundershöhle, de |
Wurt Pit and Devil's Punchbowl, gb |
Bunkermuseum Wurzenpass, at |
| Wyandotte Caves, us |
X Cave, us |
Xanadu Cave, nz |
| Tham Xang, la |
Xarbes Caves, ir |
Xavier Cave, in |
| Xcaret, mx |
Xel-Há, mx |
Cova d'en Xeroni, es |
| Għar Xerri, mt |
Xia Bing Dong, cn |
Xianqidong, cn |
| Xilutian Mine, cn |
Cueva d'en Xoroi, es |
Xplor, mx |
| Grutas Xtacumbil-Xunan, mx |
Xuan Kong Si, cn |
Xueyu Cave, cn |
| Xyngia Cave, gr |
Tham Yai Nam Nao, th |
Yalandünya Mağarası, tr |
| Yampah Hot Springs Vapor Caves and Spa, us |
Yana Caves, in |
Yanchep Caves - Crystal Cave, au |
| Yangling Museum, cn |
Yanzi Dong, cn |
Yaolindong, cn |
| Yekedeshik Cave City, tm |
Yerebatan Sarayi, tr |
Yeyenwu Cave, vu |
| Yincuixia, cn |
Yinhudong, cn |
Yishui Underground Grand Canyon, cn |
| Yokoi's Cave, gu |
Yongyeon Cave, kr |
Yordas Cave, gb |
| Yordas Cave, gb |
Yourambulla Caves, au |
Yozawa shonyudo, jp |
| Yubari-si Sekitan-no-Rekisimura, jp |
Yugen-do, jp |
Lok Yu-Hua Dong, cn |
| Yuki-do, jp |
Yunak Evleri, tr |
Yungang Grottoes, cn |
| Yuseki-do, jp |
Zabytkowa Kopalnia, pl |
Cenote Zacatón, mx |
| Cenote Zací, mx |
Boquete de Zafarraya, es |
Gruta do Zambujal, pt |
| Zane Caverns, us |
Lacu Záton, ro |
Zbrašovské aragonitové jeskyně, cz |
| Industriemuseum Zeche Hannover, de |
Železna jama, si |
Zelške jame, si |
| Zelve Monastery, tr |
Zeus Cave, tr |
Zeytintaşi Mağarası, tr |
| Zhangfang Ancient Battle Tunnel, cn |
Zhanggong Dong, cn |
Zhijindong, cn |
| Zhoukoudian - Peking Man Site, cn |
Zillertaler Goldschaubergwerk, at |
Kulthöhle Zillis, ch |
| Mine de Cuivre la Lée à Zinal, ch |
Erzweg Zinkwand, at |
Besucherbergwerk Zinnkammern Pöhla, de |
| Besucherbergwerk Zinnwald, de |
Zinselhöhle, de |
Grotta Zinzulusa, it |
| Zion, XX |
Catedral de Sal Zipaquirá, co |
Zi Xia Dong, my |
| Jaskyňa Zlá Diera, sk |
Zlotske Pećine, rs |
Znojmo Podzemi, cz |
| Zoo de Doué la Fontaine, fr |
Zoolithenhöhle, de |
Zouerate, mr |
| Rudnik Zrinski, hr |
Besucherbergwerk Zschopau, de |
Zügenschlucht, ch |
| Zwergenkirche, de |
Zwiefaltendorfer Tropfsteinhöhle, de |
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