Mammoth Cave National Park Natural Features

Mammoth Cave, by far the world's longest known cave system, is the heart of the South-Central Kentucky karst, an integrated set of subterranean drainage basins covering more than 1,050 square kilometers - 400 square miles. Atop this labyrinth is a biologically diverse set of ecosystems inextricably interlinked with the ecosystems underground. This physiographic province, with Mammoth Cave National Park at its core, was declared an International Biosphere Reserve in 1990.

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Featured Park
Zion National Park, a place home to the Narrows, Canyon Overlook, Emerald Pools, a petrified forest, a desert swamp, springs and waterfalls, hanging gardens, wildflowers, wildlife and more!
Featured Wildlife
The bighorn sheep is the mammalian symbol of Colorado Parks and Wildlife and Colorado's official animal. Colorado is home to the largest population of the species anywhere. The animals are five to six feet long with a tail three to six inches in length.