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, ...

Mammoth Cave has been captivating imaginations for ... but it still requires a ticket. Tours prices currently start $8 for most visitors age 13 and up. However prices are set to increase on ...

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 ...

A journey to the depths of Mammoth Cave to record signatures left by Civil War soldiers. I stood 200 feet below the Kentucky countryside, looking at three lines of graffiti written in pencil on the ...