Under a swath of Kentucky hills and hollows is a limestone labyrinth that became the heartland of a national park. The surface of Mammoth Cave National Park encompasses about 80 square miles.

Just outside Mammoth Cave National Park, this charming Kentucky city has plenty of thrilling activities and outdoor ...

Explore Mammoth Cave National Park, the longest cave system on Earth ... labyrinth some 4,000 years ago beneath the Green River Valley of Edmonson County, Kentucky. To this day, explorers have yet to ...

A tiny shark species dating back hundreds of millions of years has been identified at Mammoth Cave National Park in Kentucky ... themselves to the shark’s name: Clavusodens mcginnisi, or ...

NPCA shares the latest archaeological discovery at Mammoth Cave National Park, which has a pretty fascinating human history, too.