Boybuloq Cave
Boybuloq Cave (also known as Boy Bulok) is a limestone cave in Uzbekistan and the deepest known cave in Asia. It is located high in the Gissar Range of mountains, near to Dehibolo, Uzbekistan's highest village. The cave and wider area is inaccessible for much of the year due to snow. Long-known to local people because of a nearby spring the cave was first explored by speleologists in 1984. Since then expeditions have mapped of passages in the cave and reached a total depth of . The cave could potentially extend much deeper and become the deepest in the world.
Jaskinia Niedźwiedzia
Jaskinia Niedźwiedzia (pronounced Yaskeenya Niecwiedza and translated as Bear Cave) - is the longest cave in Śnieżnik Mountains part of Sudety mountains discovered in 1966, located near village Kletno in Poland. Famous from many excavations of the cave bear (Ursus spelaeus).