Mammoth Cave National Park in Kentucky is home to the world’s longest cave system, with over 426 miles of mapped underground passages. While here, visitors can hike the Cedar Sink Trail and explore an ...
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This national park is home to the longest cave in the world—and only 426 miles have been explored so far
Here’s how to plan a trip to Mammoth Cave National Park. Mammoth Cave National Park in Kentucky is home to the world’s longest cave system, with over 426 miles of mapped underground passages. While ...
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