Bulgaria by Region

• Gabrovo Province
• Bacho kiro

• Khaskovo Province
• Aleksandrovo Thracian Tomb

• Lovech Province
• Devataška peštera
• Krushuna
• Prohodna Cave
• Sueva dupka

• Pazardzhik Province
• Snežanka

• Pernik
• Erma Gorge
• Underground Mining Museum Pernik

• Pleven Province
• Pleven Wine Museum

• Plovdiv Province

• Razgrad Province
• Demir Baba
• Thracian Tomb of Sveshtari

• Rousse Province
• Basarbovo Cave Monastery
• Ivanovo Rock Churches
• Orlova Čuka

• Shumen Province
• Peštera "Biserna" - Pearl Cave

• Smolyan Province
• Buynovsko Zhdrelo
• Museum of Speleology and Bulgarian Karst
• Chudnite Mostove
• Dyavolski Most
• Djavolskoto Garlo Cave
• Haramiiska Dupka
• Iagodinska Peštera
• Trigrad Gorge
• Uhlovitsa

• Sofia Province
• Temnata dupka

• Stara Sagora Province
• Kazanluk Tomb

• Varna Province

• Vidin Province
• Peshtera Kozarnika
• Magura
• Venetsa Cave

• Vratsa Province
• Ledenika