Secretary Burgum visited Mammoth Cave National Park to underscore its importance and ensure it's ready for the summer rush.

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, ...

It’s official – my family loves Mammoth ... at the park’s headquarters. Be sure to bring their National Park Passports, but don’t worry if you forget. The gift shop has plenty!

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.

Our Polluted Parks report finds that Mammoth Cave faces significant concern levels for harm to nature mainly due to nitrogen and sulfur deposition in soil and water. Moreover, the park ... gift today ...