Schroers said the cave system could not keep up with the amount of rainfall the area received, which caused a quick backup ...

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, ...

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.

Schroers said the cave system could not keep up with the amount of rainfall the area received, which caused a quick backup into the cave.