Mammoth Cave National Park in Kentucky celebrates the world’s longest known cave system at over 426 miles (686 km), home to ...

Jeopardizing the livelihoods of the men and women who work for our national parks is abhorrent. Their jobs are not only vital ...

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, ...

The surface of Mammoth Cave National Park encompasses about 80 square miles. No one knows how big the underside is. More than 365 miles of the five-level cave system have been mapped, and new ...

It may come as a surprise that the subterranean world of Mammoth Cave is not immune to the impacts of air pollution. Airborne contaminants can find their way into the cave passages, affecting delicate ...