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.

Explore Mammoth Cave National Park, the longest cave system on Earth, featuring the richest known habitat for cave wildlife in the world. It may be difficult to think of caves as spacious and grand, ...

Despite its reputation as one of the most beautiful autumn destinations for its foliage and dramatic views, polluting industrial facilities across Kentucky and the surrounding regions from the ...