Skocjan Caves, Slovenia: These caves are UNESCO world heritage sites.
Carlsbad Cavern, New Mexico, United States: The caves are the main attraction of a national park called Carlsbad Caverns National Park.
Važecká Cave, Slovakia: A stalactite cave near the village of Važec in northern Slovakia.
Bystrianska Cave, Slovakia: A limestone cave near the town of Bystrá, Slovakia.
Phong Nha Cave, Vietnam: Also recognized as world’s heritage by UNESCO.
Waitomo Glowworm Caves, New Zealand: Located on the North Island of New Zealand.
Reed Flute Cave, Guilin, China: A natural limestone cave with multicolored lighting and has been one of Guilin’s most interesting attractions for over 1200 years.
Mammoth Cave, Kentucky, United States: Located in the Mammoth Cave National Park.
Click Here