All Subterranea


853 subterranea are listed on showcaves.com on 24-Sep-2017 03:25:51
10,000 Year Clock, us Underground Project 131, cn 816 Military Nuclear Plant, cn
Abu Simbel, eg Caves Ackerman, fr Iepa Moni Agios Gerasimos, gr
A GoGo Valkenburg, nl Ajanta Caves, in Akköy Evleri, tr
Cuevas Pedro Antonio de Alarcón, es Aleksandrovo Thracian Tomb, bg Alexander's Cave Houses, gr
Al Fayah Park, ae Alfina Hotel, tr Alter Elbtunnel, de
Altinocak Restaurant, tr Alux Restaurant & Lounge, mx American Cave Museum, us
Ami Chenin, fr Anatolian Houses, tr Andersgrotta, no
Bīr al-Anezīya, il Anlage Mitte, pl Pavilon Anthropos, cz
Cluzeaux d'Argentine, fr Arizona Mining and Mineral Museum, us Historische Kelders Arnhem, nl
Cave Village Artenara, es Aruküla Caves, ee Astana Underground Museum, cn
L'Astore Masseria, it Ataman Hotel, tr Atlantikwall, fr
Atomkeller, de The Treasury of Atreus, gr La Carrière d'Aubigny, fr
Auerbachs Keller, de Aurangabad Caves, in Aux Vieux Logis, fr
Badami Cave Temple, in Bag End, XX Bagh Caves, in
Naval Museum Complex Balaklava, ua Grottenburg Balm, ch Banjaran Hotsprings Retreat, my
Banské Muzeum v Prirode, sk Banské Muzeum, sk Barabar Caves, in
Bari Imam Cave, pk Barry troglodyte village, fr Basiliani Hotel, it
Bat Cave, ca Battle of Britain Control Room, gb Beckham Creek Cave Haven, us
Bedsa Caves, in Beer Quarry Caves, gb Beit She'arim National Park, il
Bell Caves, il Südtiroler Bergbaumuseum, it Le vieux Berger, fr
Beringer Vineyards, us Berliner Unterwelten, de Caves Bernard-Massard, lu
Eiskeller der Brauerei Beuing, de Parc archéologique de Beynac, fr Bezeklik Thousand Buddha Caves, cn
Bhaja Caves, in Bhalil Cave Dwellings, ma Bhartrihari Caves, in
Bird's Botanicals, us Birresborner Eishöhlen, de Citadelle de Bitche, fr
Les casemates du Bock, lu Bollinger, fr Il Borgo Ritrovato, it
Pętla Boryszyńska, pl Bosc de Fades Bar, es Bottini, it
Bounce Below, gb Les Caves Bouvet-Ladubay, fr Les Boves, fr
Parcours troglodytique de l'Abbaye de Brantôme, fr Amphitheater Breechkaul, lu Château de Brézé, fr
Brighton's Victorian Sewer, gb Muzeum brněnského podzemí, cz Brněnská kostnice, cz
Bronson Caverns, us Bruce's Cave, gb Brünig Indoor Schiess-Sport-Zentrum, ch
Campement préhistorique de Bruniquel, fr Brunson Instrument Company, us Höhlenburg Buchfart, de
Bulla Regia, tn Atombunker der Bundesregierung, de Bunkeri, hr
Bunkermuseum Emden, de Bunkermuseum Hamburg, de Bunkermuseum Rennsteig, de
Cabinet War Rooms, gb Café in the Crypt, gb Manoir de la Caillère, fr
Calcata Cave Houses, it Caldecotte Project, gb Grottes de Calès, fr
Canard Duchene, fr Cappadocia Palace, tr Cappadocia Cave Suites, tr
Cappadocia Cave Resort & Spa, tr Cave Dwellings of Cappadocia, tr Catacombe dei Cappuccini, it
La Casa di Lucio, it Souterrain médiéval du Castela, fr Catacombe Roma - The Catacombs of Rome, it
The Catacombs of Paris, fr Les Cathédrales de la Saulaie, fr Cathedrale d'Images, fr
Cave Hill, ie Caveman Bar-BQ & Steak House, us Caveoso Hotel, it
Cave des Producteurs de Montlouis, fr Cavern Club, gb Roc de Cazelle, fr
Chalukyan Caves, in Le Musée du Champignon, fr Channel Tunnel, gb
El Chapandáz, es Underground Chattanooga, us Exposition Grotte Chauvet, fr
Museum of Speleology and Bulgarian Karst, bg Chersonesos Cave Chruch, ua Chislehurst Caves, gb
Cholula - Quetzalcoatl Tunnels, mx ChufutKale, ua Paddock - Churchill's Secret Bunker, gb
Cisterne Romane, it Clifton Cliff Jail, us Cloaca Maxima, it
Le Clos des Roches, fr Grotta di Cocceio, it Schloß Colditz Escape Tunnels, de
Colossal Cave, us Colosseum, it Copán, hn
Grottes du Cornadore, fr Gabriel Coulet, fr Maison des Pierreux de Crazannes, fr
Festungsmuseum Crestawald, ch Crocodile Harry, au Crowborough Caves, gb
Cruachan Power Station, gb Subterranean Crusader City, il The Crystal Caves, au
Crystal Shrine Grotto, us Củ Chi Tunnels, vn Çukurören Underground City, tr
Culver Hole, gb Cuma - Antro della Sibilla, it Curraghmore House, ie
Daciyan, cn Dalton Gang Museum and Escape Tunnel, us Damanhur Temple, it
Dambulla, lk David Gareja, ge Dazu Grottoes, cn
D Dupleks, lv De Castellane, fr Dedeli Konak, tr
Deinhard Kellermuseum, de Deir Muqallik, il Demoiselle, fr
Derinkuyu Underground City, tr Desert Cave Hotel, au Deutsches Bergbau Museum, de
Deutsches Museum, de Dewstow Gardens and Grottoes, gb Hotel Diar el Barbar, tn
Diefenbunker, ca Digger's Dream Underground Home, au Dimbulagala, lk
Dino's Monstergrot, nl Dolní Vĕstonice, cz Muches de Domqueur, fr
Dorking Caves, gb Dougout Ranch, us Down to Erth, au
Caverne du Dragon, fr Grotta della Dragonara, it Dragon Hall Undercroft, gb
Drakelow Tunnels, gb Les Drois Glands, lu Dudley Canal Tunnels, gb
Duivelsgrot, nl Dunaskin Open Air Museum, gb DunHuang Mogao Caves, cn
Dunsthöhle, de Tomb of the Eagles, gb Egkleistra, cy
Eglise monolithe Saint Jean, fr Musée des Égouts, be Eispalast Jungfraujoch, ch
Eispavillon Mittelallalin, ch Ekotechnické Museum, cz Elephanta Caves, in
Elkep Evi Cave Houses, tr Jaunpils Elles Kalns, lv Ellinwood Underground Tunnels, us
Ellora Caves, in El Meson de la Cava, do Muzeul de Speologie "Emil Racoviţă", ro
Le Blockhaus d'Éperlecques, fr Eshab-i Kehf - Grotto of Seven Sleepers, tr Tham Erawan, th
Erbendorfer Felsenkeller, de Esbelli Evi, tr Casemate Esch, fr
Essex Secret Bunker, gb Esterlin, fr Tunnel of Eupalinus, gr
Eureka Springs Underground, us Evakueringshulen, no Exeter's Underground Passages, gb
Bunker Falkenhagen, de Faris Caves, us Le Faux Saulnier, fr
Fayes Underground Home, au Nürnberger Felsengänge, de Die Felsenkeller in Egloffstein, de
Fertőrákosi Barlangszínház, hu Lycian Tombs at Fethiye, tr St Fillan's Cave, gb
Domaine Filliatreau, fr Florida Museum of Natural History, us Fluweelengrot, nl
Grottes de Folx-Les-Caves, be Cimitero delle Fontanelle, it Abbaye Royale de Fontevraud, fr
Forchheimer Keller, de Forestiere Underground Gardens, us La Fornace di Barbablù, it
Fort Bonifacio Tunnel, ph La Fosse de Forges, fr Höhlenburg Fracstein, ch
Franciscan Monastery, us Tomba Francois, it Frank Aston Underground Museum, au
Franklin Court Underground Museum, us Frantoi Ipogei di Grottaglie, it Frantoio Ipogeo Caffa, it
Frantoio Ipogeo Granafei, it Höhlenmuseum Frasdorf, de Festung Fürigen, ch
Grüner Bräu Keller, de Führerbunker, de Gamirasu Otel, tr
Gavi Gangadhareswara, in Geghard, am Gemeentegrot, nl
Les Caves de la Genevraie, fr Genovevahöhle, de Geraer Höhler, de
German Underground Hospital, gb German Military Underground Hospital, gb German Naval Signals Headquarters, gb
La Grotta Dei Germogli, it Colline de Géronde, ch Grotto of Gethsemane, il
Gilmerton Cove, gb Tajemnicze Podziemne Miasto Gluszyca, pl Göreme, tr
Gotthard Basistunnel, ch Vallée troglodytique des Goupillières, fr Maisons troglodytes du Graufthal, fr
Underground Great Wall, cn Greenbrier Bunker, us Greenwich Foot Tunnel, gb
Caves Louis de Grenelle, fr Felslabor Grimsel, ch Kraftwerk Grimsel 2, ch
Grotesquery, cz Grottenaquarium, nl Höhlenburg Grottenstein, ch
The Grove Park Inn, us Guacara Taina, do Guadix Cave Houses, es
Guhantara, in Guildhall Medieval Crypt, gb Gurugem Phuk, cn
Guyaju Caves, cn Hack Green Secret Nuclear Bunker, gb Haikong Cave, cn
Halliggye Fogou, gb Hal Saflieni Hypogeum, mt Hantongshan Shenxian Dong, cn
Haritun Cave, il Bunker Harnekop, de Hartness House, us
Musée de l'Abri de Hatten, fr Haunted Cave, us Hausertorstollen, de
Les Hautes Roches, fr Hawkstone Park, gb Hazan Caves, il
Festung Heldsberg, ch Restaurant l'Hélianthe, fr Hellfire Corner, gb
Helme Koopad, ee Herts Young Mariners Base, gb Hezekiah's Tunnel, il
Himmelsbergstollen, de Hobbiton, nz Hohenfels-Essinger Eishöhlen, de
Hole N" The Rock, us Holkovsky Monastery, ru Schloßberghöhlen, de
Hospital Cave, vn Hotel Sassi Di Matera Diffuso, it Downtown Houston Tunnel System, us
Huashan Quarries, cn Huayan Temple, cn Hubertuskapelle, de
Humphrey Kynaston's Cave, gb Husitské muzeum, cz Huto and Kamarband Cave, ir
Għar il-Kbir, mt Indian Cave, ag Indianapolis City Market Catacombs, us
3rd Infiltration Tunnel, kr Injun Joe's Cave, us Institutul de Speologie "Emil Racoviţă", ro
Interstate Caves, us Cava d'Ispica, it Ivanovo Rock Churches, bg
Podziemna Trasa w Jarosławiu, pl La Cueva del tío Jesús, es Jihlavské podzemí, cz
Grottes de Jonas, fr Josefov Podzemi, cz Les Journées de la Rose, fr
Internationales Fledermaus-Museum Julianenhof, de Junagadh Caves, in Jurnet's Bar, gb
Ausweichsitz Nordrhein-Westfalen, de Emmi Cheese Cave Kaltbach, ch Cizinecký vstup do kanalizace, cz
Kanheri Caves, in Grotten Van Kanne, be Bunker am Kap Arkona, de
Kapucínská krypta, cz Karaftu Cave, ir Karla Caves, in
Karl-May-Höhle, de Katflaap Catacombs, mv Tombs of the Kings, cy
Katpatuka Cave Hotel, tr Kayadem Cave Hotel, tr Kaymaklý Underground City, tr
Kazanluk Tomb, bg Kelebek Hotel, tr Cave of Kelpius, us
Kelvedon Hatch Secret Nuclear Bunker, gb Khandagiri Cave, in Kh'ndzoresk, am
Kiev Pechersk Lavra, ua Kinver Edge Rock Houses, gb Kish Underground City, ir
Kizil Caves, cn Bergbaumuseum Klagenfurt, at Klatovské katakomby, cz
Klausenhöhle, de Kleine Berlin, it Gletschergrotte Klein Matterhorn, ch
Podziemna Trasa Turystyczna 1000-Lecia Panstwa Polskiego w Klodzku, pl Twierdza Klodzka, pl Cave Church Klösterl, de
Klusfelsen, de Kokopelli's Cave, us Kom es-Shouqafa, eg
Wat Tham Krabok, th Kristallgänge, de Höhlenburg Kropfenstein, ch
Krug, fr Kulturbunker Barbarastollen, de Kunming Natural History Museum of Zoology, cn
Historischer Kunstbunker, de Kupferberg Museum, de Kurjey Lhakhang, bt
Budavári Labirinthus, hu Restaurant La Cave, fr La Claustra Hotel, ch
La Coupole, fr Bunker Ladeburg, de Lærdalstunnelen, no
LagOmar, es La Gruta, mx Lalibela, et
Grotta Lamalunga, it Grottes de Lamouroux, fr Höhlenwohnungen in Langenstein, de
Lanson, fr Les Lapidiales, fr Fort Troglodytique de La Roque Gageac, fr
Las Cuevas, es Latomie, it Launois Père & Fils, fr
Laurent-Perrier, fr La Valette Underground Military Museum, gb Le Caveau, fr
Le Prince Noir, fr Musée National de Préhistoire, fr Les Maisons de Cappadoce, tr
Les Terrasses d'Uchisar, tr Pertouse de Leytro, ch Liboriusklause, de
Carrières de la Lie, fr Lima Catacombs, pe Lisboa Roman Galleries, pt
Liss Ard, ie Fort de Litroz, ch Llewelyn's Cave, gb
Local Cave House, tr Höhlenburg Loch, de Lockport Cave Raceway Tour, us
Lötschberg-Basistunnel, ch London Underground, gb Longmen Grottoes, cn
LowLine, us Lubang Jepang, id Lublova Torturak, mv
Lupercale, it Luzit Caves, il Maastricht Kazematten, nl
Ma'arat HaMachpelah, il Santuario della Madonna della Grotta di Bombile, it Santuario della Madonna della Grotta, it
Maeshowe, gb Magnanerie de Bourré, fr Farmacia del Mago Greguro, it
Mahabalipuram Caves, in Mahendravadi Cave Temple, in Mailly Grand Cru, fr
Maison Forte, fr Malinta Tunnel, ph Malovaný sklep, cz
Manchester Cave, us Mangapwani Slave Cave, tz MangupKale, ua
Manitou Cliff Dwellings, us Maratika Gufa, np Domaine de Marc Brédif, fr
Cuevas de la Mare de Deu, es Maresha, il Margate Caves, gb
Margate Grotto, gb Ristorante Grotta Marinara, it Markt Höhler, de
Maropeng, za Les Caves de Marson, fr G.H. Martel et C°, fr
Mary King's Close, gb Rifugio Antiaereo Martana, it Maison des Pierreux de Massangis, fr
Matala Caves, gr The Cave Homes of Matmâta, tn Maximushöhle - The "Catacombs" of Salzburg, at
Mazi Underground Settlement, tr Höhler von Meerane, de Louisville Mega Cavern, us
Mega Spiléo - The Great Cave, gr Cuevas de Menga y Viera, es Mercier, fr
Grotte de la Mer de Glace, fr Mesa Verde NP, us Die Meyerschen Stollen, ch
Miedzyrzecki Rejon Umocniony, pl Mileştii Mici, md Milk Grotto Chapel, il
Millennium Underground Museum, hu Millie Mine Bat Cave, us Milton House, us
La Forteresse de Mimoyecques, fr Mine Howe, gb Miners' Dugouts, au
Mines & Meadows ATV Riding Resort, us Minnesota Museum Of Mining, us Mithraeum, it
Mithraeum San Clemente, it Mittelbau Dora - Mittelwerk Dora, de Missouri Botanical Garden, us
Moët & Chandon, fr La Cave Aux Moines, fr Puig des Molins Nekropolis, es
Museum of Old and New Art, au Les Caves Monmousseau, fr Monte Sant'Angelo sul Gargano, it
Montezuma Castle National Monument, us La Ville Souterraine, ca Tunnels of Moose Jaw, ca
Tunnel du Mortier, fr Moscow Metro, ru G.H. Mumm, fr
Muqattam Mountain Cave Cathedral, eg Musée du Vin, fr Museo Arqueológico, es
Museo Canario, es Museu de Minas Ouro Prêto, br Museu de Temàtica Espeleològica, es
Museum of Caves, nz Slovenské múzeum ochrany prírody a jaskyniarstva, sk Museum Hotel, tr
Cistern of Ancient Mycenae, gr Nagarjuna Caves, in Tham Nam Bang, th
La Cité Souterraine de Naours, fr Museo del Sottosuolo Napoletano, it Napoli Sotterranea, it
Narni Sotterranea, it Nashoba Brook Stone Chamber, us Národi Technické Muzeum, cz
Grotto of the Nativity, il Necromanteion of Ephyra, gr Netherton Tunnel Branch Canal, gb
Newgrange, ie Newnes Glow Worm Tunnel, au Niasar, ir
Die historische Grotte in den Herrenhäuser Gärten, de Pigeonnier de la Niverdière, fr Noirmont Command Bunker, gb
North Head Tunnels, nz Norwich Guildhall Crypt, gb The Caves of Nottingham, gb
Null Stern Hotel, ch Odessa Catacombs, ua Ojo Guareña, es
Ojukwu Bunker, ng Podziemia Opatowskie w Opatowie, pl Oppenheimer Kellerlabyrinth, de
L'Orbiere, fr Orvieto, it Osowka Complex, pl
Ossian's Cave, gb Ostrog Monastery, me Otto Photo Underground Photographic Gallery, au
Le Musée de l'Ours de Cavernes, fr Owensboro Area Museum of Science and History, us Oyster Bar, us
Grand Central Oyster Bar, jp Özkonak Yeralti Şehri, tr Ozluce Underground City, tr
Grotta Paglicci, it Palmaz Vineyards, us Palm Jumeirah Underpass, ae
Panagia Spiliani, gr Pandavleni Caves, in Fromageries Papillon, fr
Paradise Pansiyon, tr Parc de la Préhistoire, fr Musée des Egouts de Paris, fr
Parkhöhle Weimar, de Parque de la Prehistoria, es Bunkr Parukářka, cz
Pataleshwar Cave Temple, in PATH, ca Pendleton Underground Tours, us
Peniger Kellerberggänge, de Musée d'Art et d'Archéologie du Périgord, fr Grottes de Perrier, fr
Centre des Perrières, fr Perrier-Jouët, fr La Petite Perrière, fr
Petra Cave City, jo Petrov Plže, cz Les casemates de la Pétrusse, lu
Tham Pha Thai, th Les souterrains de Philippeville, be Phugtal Gompa, in
Pidurangala, lk Chiesetta di Piedigrotta, it Pierre et Lumière, fr
Maison de la Pierre de Volvic, fr Piper Heidsieck, fr Piscina Mirabilis, it
Pitalkhora Caves, in Piusa Koopad, ee PJ's Underground, au
Pleven Wine Museum, bg Plzeňské historické podzemí, cz Pol Roger, fr
Pommery, fr Le Troglo des Pommes Tapees, fr Le patrimoine souterrain de Pontoise, fr
Porthcurno Telegraph Museum, gb Portland Underground, us Powintaung Cave Pagodas, mm
Pozzo della Cava, it Le Fort de Pré-Giroud, ch Le Prehistorama, fr
Cave du Prieuré, fr Prophet Lots Cave, jo Prosek hill, cz
Queen City Underground, us Underground Racquets Ltd., us Radeka's Downunder, au
La Cueva de la Ramblera, es Höhlenburg Rappenstein, ch Redcliffe Caves, gb
The Grotto of the Redemption, us Le souterrain de la Règle, fr Regro S, lv
The Reigate Caves, gb Re Tarquinio, it Retretti, fi
Retzer Erlebniskeller, at Festungsmuseum Reuenthal, ch Reykjavik 871±2, is
Eisgrotte Rhonegletscher, ch Ribas Underground Camping, au Robber's Cave, us
Roc-aux-Sorciers, fr Village troglodyte Rochemenier, fr Cave des Roches, fr
Roden Crater, us Romeinse Katacomben, nl Cueva de Romeral, es
Eishöhle bei Roth, de Feste Rothenberg, de Royston Cave, gb
Roznana Mining Museum, sk Rudolfova štola, cz Tham Ruesi Sombat, th
Ruinart, fr Rzeczka Complex, pl Saarbrücker Kasematten, de
La Sablière, fr Historic Old Sacramento, us Sacred House, tr
Wat Tham Saeng Phet, th Sai Baba Tambun Cave Temple, my Grottes de Saint Antoine, fr
Carrière Saint-Just, fr Champignonnière St Maur, fr Cluzeaux de Saint-Pardoux-de-Mareuil, fr
Les Grandes Caves Saint Roch, fr L'Abbaye troglodytique de Saint-Roman, fr Grotte de Saint-Vit, fr
La Salata Necropoli Paleocristiana, it St. Salvator, de Podziemna Trasa Turystyczna w Sandomierzu, pl
Grotta San Francesco, it San Jaun de las Aguas, ni San Lorenzo Maggiore, it
Locanda di San Martino, it San Michele Arcangelo, it Museo Regional de Prehistoria y Arqueología, es
SantaPark, fi Catacumbas do Santuário do Caraça, br Troglodytes & Sarcophages, fr
Sarnıç, tr Sassi, it Hotel Sassi, it
Moravský sklípek, cz Champignonnière du Saut-aux-Loups, fr Schiele Museum of Natural History, us
Burgruine Schloß im Loch, de Schloß Stein, de Höhlenmuseum Schönbergalm, at
Schuilen in Maastricht, nl Schwandorfer Felsenkeller, de Scotland's Secret Bunker, gb
Scott's Grotto, gb Caverne Sculptée, fr Selçuklu Evi, tr
Seokguram Grotto, kr Serbian Underground Church, au Serinn, tr
Lourdes Grotto, aw Sextantio Albergo Diffuso Le Grotte Della Civita, it The Shelter, cn
Shelter No. 20, jp Shem Va'Ever Cave, il Shengjinkou, cn
Shimao Wonderland Hotel, cn Show Cave Night Gallery, us Shunt, gb
Sibbergroeve, nl Silkeborg Bunker Museum, dk Silver King Mine Exhibit, us
Silver Stream Cave, cn London Silver Vaults, gb Simserhof, fr
Siracourt VI Storage Bunker, fr SMART Tunnel, my Snowy Mountains Hydro-electric Scheme, au
Société des Caves de Roquefort, fr King Solomon's Quarries, il Arizona-Sonora Desert Museum, us
Spa Terra, us Musée Suisse de Spéléologie, ch Castello di Sperlinga, it
St Agatha's Catacombs, mt Staglin Family Vineyard, us Stalin's Bunker, ru
Standedge Tunnel, gb St Andrew's Hall Undercroft, gb Star Cave Hotel, tr
Bergbaumuseum Steinhaus, it St. George Monastery, il St Margaret's Cave, gb
Caves St. Martin, lu Stone Cavehouse Hotel, cn The Story of Berlin, de
St Paul's Catacombs, mt St Paul's Grotto, mt St Peter's Bunker Museum, gb
Grotten St. Pietersberg, nl Subterranean Seattle, us SubTropolis, us
Sümela Manastırı, tr Tham Suwan Kuha, th Ginina Mogila - Thracian Tomb of Sveshtari, bg
Sviatohirsk Lavra, ua Sybil's Cave, us Sziklakórház Múzeum, hu
Tagansky, ru Restaurante Tagoror, es Grotte Taillerie du Puy de Dôme, fr
Champagne Taittinger, fr Take 5 Bar, gb Taktsang Dzong, bt
Għar tal-Iburdan, mt Talijanova Buža, hr Tal-Mintna Catacombs, mt
Taniwha Cave, nz Wat Tham Tapan, th Għar Tat-Tramuntana - Għar Tat-Tramuntana, mt
Tatlarin Underground City, tr The Templars Tunnel, il L'Osteria del Tempo Perso, it
Tepe-Kermen, ua The Bunker, gb The Cave Bar, cy
The Caves Hotel, jm The Crypt, gb Le Thot, fr
Thunder Head Underground Falls, us Tiergartentunnel, de Tierradentro Rock Tombs, co
Tilly Whim Caves, gb Casas Cueva del Tio Tobas, es Acropolis of Ancient Tiryns, gr
Tiscali, it Titan Missile Museum, us Tito's Bunker, ba
Shutoken Gaikaku Hosuiro, jp The Grottoes of Toyuk, cn Cave of Treasures, il
Tre Buchi, ch Tregiffian Burial Chamber, gb Catacombs at Trípiti, gr
Brunnenstollen Trippstadt, de Troglododo, fr Village Troglodyte de Trôo, fr
Trough Creek, us Tulsa Cave House, us Tumbling Creek Cave, us
Tünel, tr Stockholms Tunnelbana, se Préhisto Parc, fr
Uçhisar Kalesi, tr Udabno, ge Udayagiri Caves, in
Überlinger Stollen, de Ulmer Museum - Archaeologic Collection, de Undavalli Caves, in
Underground Potteries, au Beijing's Underground City, cn The Underground Motel, au
Underground Church, au Mount Isa Underground Hospital and Museum, au Unicorn Brewery Cellars, au
Upliszikhe, ge Upton Cave, us Urgeschichtliches Museum in Blaubeuren, de
Ürgüp Evi Cave Hotel, tr Urnerloch, ch Museum Ladin Ursus ladinicus, it
Uspensky Cave Monastery, ua Utatlan Cave, gt Valtice sklípek, cz
Vanis Kvabebi, ge Vardzia, ge Sacre Grotte Vaticane, it
The Vault, nl Vereina Tunnel, ch Veuve Clicquot, fr
Vezir Cave Suites, tr Victoria Tunnel, gb Vieng Xai Cave City, la
Underground Vienna, at Carriere de Vignemont, fr Demeure de la Vignole, fr
Villa Fliedner, de Villa Torlonia, it Villecroze Caves, fr
Chateau Villemaurine, fr Vimy Memorial - Grange Tunnel, fr Festung Vitznau, ch
Voice of Biafra Bunker, ng Vulcania, fr Vulkan Brauerei, de
Wabasha Street Caves, us Podziemne Fabryki Walimia, pl Sandsteinhöhle in Walldorf, de
Warren's Shaft, il Nürnberger Wasserstollen und Kasematten, de Wattson and Wattson Jewelry Store, us
Floyd Collins Museum, us Kanaltunnel Weilburg, de Wellington Caves, fr
Western Approaches Command Centre, gb The Western Wall Tunnels, il West Norwood Cemetery Catacombs, gb
Westwallmuseum Irrel, de Westwallmuseum Pirmasens, de West Wycombe Caves, gb
Weta Cave, nz White Cliffs, au Höhlenburg Wichenstein, ch
Wienerwaldmuseum, at Nederlands Wijnmuseum Arnhem, nl Williamson's Tunnels, gb
Windber Coal Heritage Center, us Włodarz Complex, pl Wolfsschanze, pl
Bunker Wollenberg, de Bunkerpark Wünsdorf, de Bunkermuseum Wurzenpass, at
Tham Xang, la Xarbes Caves, ir Xuan Kong Si, cn
Yana Caves, in Yangling Museum, cn Yekedeshik Cave City, tm
Yerebatan Sarayi, tr Yokoi's Cave, gu Yucca Mountain Science Center, us
Yunak Evleri, tr Yungang Grottoes, cn Industriemuseum Zeche Hannover, de
Zelve Monastery, tr Zhangfang Ancient Battle Tunnel, cn Znojmo Podzemi, cz
Zoo de Doué la Fontaine, fr    

Explanation:


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