Mammoth Cave National Park is the longest known cave system in the world, and it currently has more than 420 known miles worth of charted caverns ...

Deep inside a pitch-black cave in Kentucky, researchers discovered a new species of ancient sea creature, according to the National Park Service. It left little to find, just strange teeth embedded in ...

Here's what to know about some of Kentucky's prettiest natural wonders: Cumberland Falls, Mammoth Cave, and Natural Bridge.

LOUISVILLE, Ky. (WDRB) -- The longest cave system in the world underneath Kentucky was selected as one of the most underrated destinations in the South by a national magazine. Southern Living listed ...

The air is cool and damp. The light shining from behind is low and tinted, while a park ranger's hand hovers over a button. Then, a switch clicks. Light floods a chasm in the stone, a chamber called ...