David Cale, owner of Laurel Caverns, remembers living in a tent on the property in 1962 while he helped his grandfather ...

Wisconsin may be known for its cheese and lakes, but beneath its rolling hills and limestone cliffs lies a world of wonder ...

A cave-dwelling fish has been swimming the waters of India unknowingly. But researchers have just discovered the mysterious ...

Hidden beneath the surface lies a cave carved by an endless underground river. In this video, we venture deep into this water ...

There are plenty of hideouts in the rugged terrain of the Ozark Mountains, from abandoned cabins to campsites in the vast ...

Czech explorers confirm that a hidden thermal lake in Leskovik (Albania) is the largest underground: 294,350 cubic feet.

There are plenty of hideouts in the rugged terrain of the Ozark Mountains where searchers are hunting for an ex-lawman known ...

Water reshapes Earth through slow, powerful erosion, carving intricate landscapes like caves and pinnacles in soluble rocks ...

Hells Canyon is the deepest river canyon in the United States. Now scientists have solved the mystery of when it formed.

New River Cave also plays a role in delivering water to Giles County. The free flow of water through the cave eventually works its way into streams and into groundwater. If the cave were closed up ...

The underground river ... church services were even held inside the cavern. The cave has a clean water supply, which came in handy during the prohibition era in the United States, and moonshine ...

Crystal Cave includes more than 3 miles of surveyed passageways, carved by water over roughly a million ... the Sierra Nevada range — and an underground stream runs alongside much of the cave ...