Rolling hills, deep river valleys, and the worlds longest known cave system. Mammoth Cave National Park is home to thousands of years of human history and a rich diversity of plant and animal life, earning it the title of UNESCO World Heritage Site and International Biosphere Reserve. Additional audio and footage by: National Park Service Untold to the Unforgettable - African American Heritage in Kentucky My Old Kentucky Home - NPS/Chuck DeCroix Lia Nydes, Center for Environmental Filmmaking Introduction Video
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