Mammoth Caves National Park: Cave City, Kentucky

Mammoth Cave National Park is the world's longest known cave system. It's home to thousands of years of human history and is also a UNESCO World Heritage Site and International Biosphere Reserve.The park was established as a national park on July 1, 1941. The park's 52,830 acres are located primarily in Edmonson County, with small areas extending eastward into Hart and Barren counties. The Green River runs through the park, with a tributary called the Nolin River feeding into the Green just inside the park. More than 420 miles of surveyed passageways, which is nearly twice as long as the second-longest cave system, Mexico's Sac Actun underwater cave. We arrived and got tix for the Frozen Niagara tour which remains one of the most famous tours at Mammoth Cave. Enjoy this week's walk underground at Mammoth Cave National Park!

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