The Mammoth Cave National Park is a World Heritage site in United States of America defined by the UNESCO in 1981 and definitely a recommended natural sightseeing location.
It is on position 130 (164, 21, 198) in our monthly survey..
"Mammoth Cave National Park, located in the state of Kentucky, has the world's largest network of natural caves and underground passageways, which are characteristic examples of limestone formations. The park and its underground network of more than 560 surveyed km of passageways are home to a varied flora and fauna, including a number of endangered species."
Copyright © 1992 2014 UNESCO/World Heritage Centre. All rights reserved."
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