Alepu Swamp
Sozopol Municipality, Burgas District, Bulgaria
Temnata Dupka Cave
Svoge Municipality, Sofia District, Bulgaria
Snezhanka Cave
Peshtera Municipality, Pazardzhik District, Bulgaria
Prohodna Cave
Lukovit Municipality, Lovech District, Bulgaria
Orlova Chuka Cave
Dve Mogili Municipality, Ruse District, Bulgaria
Magura Cave
Belogradchik Municipality, Vidin District, Bulgaria
Lepenitsa Cave
Rakitovo Municipality, Pazardzhik District, Bulgaria
Ledenika Cave
Vratsa Municipality, Vratsa District, Bulgaria
The Duhla Cave
Pernik Municipality, Pernik District, Bulgaria
Devil's Throat Cave
Devin Municipality. Smolyan District, Bulgaria
Categories of the places