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, ...

image.caption} Efforts to mitigate air pollution in Mammoth Cave National Park involve collaboration between NPCA, our partners and state and federal agencies who can strengthen protections against ...

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

In a one-of-a-kind ceremony beneath the surface of Kentucky, 30 people from around the world were sworn in as U.S. citizens.

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

As historic storms drenched parts of Kentucky over the weekend, Mammoth Cave National Park saw floodwaters rise throughout the park.

Meanwhile, the National Park Service describes the sight as "a cave turned inside out." To view the formations, visitors can walk along the Mammoth Hot Springs' maze of platforms that pass several ...

Twenty-nine new citizens are celebrating after a naturalization ceremony Thursday at Mammoth Cave National Park. Park officials say the ceremony took place at an area known as The Methodist Church ...

MAMMOTH CAVE, Ky.- Across the nation, many people are celebrating Earth Day, and one local park is doing its part. Mammoth Cave National Park is making people aware of how important it is to take care ...

Despite the impacts, national park officials noted that the visitor center and cave tours remain open. They added that park crews are continuing clean-up efforts in impacted areas. Mammoth Cave ...