Caves are pretty fascinating places, and larger caves might be even more interesting. In any case, this huge cave system has ...

He discovered Great Crystal Cave in 1917, which his family ran as a show cave on their farm in what is now Mammoth Cave National Park. Need a break? Play the USA TODAY Daily Crossword Puzzle.

The death of a Kentucky cave explorer a century ago is being remembered as a catalyst for the formation of Mammoth Cave ...

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, ...

Crystal Cave was located down a little back road on the far end past Mammoth Cave’s historic entrance, said David Foster, the President and CEO American Cave Conservation Association.

An explorer of the Mammoth Cave system in Kentucky who died 100 years ago is credited with the creation of the national park.

Crystal Cave was located down a little back road on the far end past Mammoth Cave’s historic entrance, said David Foster, the President and CEO American Cave Conservation Association.

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 ...

With so many different tours, Mammoth Cave National Park in Kentucky is ripe for repeat visits and continued exploration. I ...

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 ...

Source: Mammoth Cave National ParkMAMMOTH CAVE, Ky. –Mammoth Cave National Park will delay opening the visitor center, cave ...