True to its name, Mammoth Cave is an extremely long and extensive cave system under the Flint Ridge in south-central Kentucky (US). Its depth or total length is still unknown…
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Get ready to confront nature like no other. Get ready to experience your wildest dreams. So you do not want to be tied up behind a cubicle your whole life?…
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Katmai was first established as a National Monument in 1918, to protect the area surrounding Novarupta volcano, which formed the Valley of Ten Thousand Smokes with its pyroclastic flow after…
