Caves Regional Park is located in the Škocjan Karst, a vast flat landscape that lies at an elevation between 420 and 450 m in ...

An additional 167 miles were just explored at Wind Cave, making it the sixth-largest cave system in the world, right behind Jewel Cave in the Black Hills. “One of our explorers, she found an ...

Hang Son Doong is the world's largest known cave, with enough space in some of its passages to fly a Boeing 747 airplane ...

Hang Son Doong, the world's largest cave in Vietnam, was discovered in 1990 and is a breathtaking natural wonder. Formed over millions of years, this massive cave features towering stalagmites ...

Deep beneath Namibia lies something extraordinary - the world's largest non-subglacial underground lake, known as Dragon's ...

the sound can be heard anywhere from within the cave system, which covers about 64 acres (260,000 square meters). That makes it the largest musical instrument in the world. We’ll save the ...

For just a few weeks a year, sunbeams shine two hundred metres down through a hole in the cave roof, illumining the underground world. Filming this natural lightshow successfully relied on it ...

But there’s only one that’s home to the world’s longest cave. That 400-mile wonder can be found under the rolling Southern hills of Kentucky. So, explorers, pack those walking boots.