Adventure Travel
10 U.S. National Parks You’ve Never Heard Of
By |
Mammoth Cave National Park
Mammoth Cave National Park is a hidden gem in the rolling hills of Southern Kentucky. It holds the record for the longest cave system in the world with 405 miles of passageways. Mammoth Cave has also attained the status of UNESCO World Heritage Site and most importantly, it’s a Biosphere Reserve.
Photo: daveynin
Pingback: These National Parks You've Never Heard of will Give You Wanderlust - Wably