Peeling back the layers of our Earth’s crust, scientists have unveiled an astonishing underground realm in the United States.

CAVE JUNCTION, Ore. — Oregon has no shortage of hiking trails, but one stands out for its 500 stairs, narrow passages and a chance to see something called "cave bacon." Welcome to Oregon Caves ...

They knew how long they would be underwater so they could safely decompress, the perfect mixture of gas to use in their tanks ...

Forget rooftop restaurants and bars, this one is underground. Literally, tucked beneath a massive rock bluff in the hills of ...

For a quarter of a century, the scientific community was convinced that the paintings at Altamira Cave were nothing but ...

A man was arrested Tuesday after police say they found him inside a cave along I-15 that he had dug. UDOT plans to fill the ...

Descending the staircase into the mossy pit leading to the cave entrance, there’s an immediate chill that feels out of place ...

Tucked inside a cave in Alabama, the Rattlesnake Saloon is a hidden gem serving up burgers, beer and live music beneath a ...