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 adventures, perfect for a family trip.

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

Located about a 90-minute drive south from Louisville, Mammoth ... cave system. Considered to be among the most beautiful and accessible caves in the country, this little gem in Horse Cave ...

Despite its reputation as one of the most beautiful autumn destinations ... polluting industrial facilities across Kentucky and the surrounding regions from the Southeast to the Ohio River Valley, ...

Hundreds of feet below ground, 29 green card holders from 12 different countries were naturalized as new American citizens on ...

The trails were beautiful—to be honest ... We really enjoyed our time in Kentucky. You could explore Mammoth Cave National ...

Mammoth Cave National Park is the longest cave system in the world, according to the Kentucky Department of Fish and Wildlife Resources. Its caverns formed after thousands of years of rainfall and ...

Twenty-nine new citizens are celebrating after a naturalization ceremony Thursday at Mammoth Cave National Park. Park ...

MAMMOTH CAVE NATIONAL PARK, Ky. – As historic storms drenched parts of Kentucky over the weekend, Mammoth Cave National Park saw floodwaters rise throughout the park. Photos shot throughout the park ...