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Venture Deep Underground in This Breathtaking National Park
Under a swath of Kentucky hills and hollows is a limestone labyrinth that became the heartland of a national park. The surface of Mammoth Cave National Park encompasses about 80 square miles.
A trip to KY’s Mammoth Cave reminds me how vital our national parks are to the US | Opinion
The entrance to the cave looks sterilized — a stainless steel door that wouldn’t seem out of place in a hospital looks wholly foreign out here in Mammoth Cave National Park. Yet our cave guide ...