14 Facts about Mammoth Cave, Kentucky, You Probably Didn’t Know
Mammoth Cave National Park, Kentucky, is known for being the world’s largest and longest known cave system. It spreads 426 miles of long passageways, and the National Park spreads over 52,830 acres. Mammoth cave is not just a cave system. It has vary ecological systems and ancient history. Before 4000 years ago, this place was…