Inside the Largest Cave System Ever Discovered in the United States
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MSNActionAdventureTwins
This National Park Has the Longest-known Cave System in the World—With Over 400 Miles of Underground Passages, Sparkling Domes, and a Frozen Waterfall
This National Park Has the Longest-known Cave System in the World…
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Watch this journey into one of the largest caves ever found
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The US has the longest cave system in the world
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The US has the longest cave system in the world
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YouTubeWizDio
Did you know that the longest cave system in the entire world 🌎 is located right here in the United States 🇺🇸? Mammoth Cave in Kentucky measures over 426 miles long 📏. It is estimated that there are another 600 miles in this cave system that has not been discovered yet 😳. Mammoth Cave is also a National Park, the 40th National Park we have visited in The Hocking Adventure Bus 🚌! If you want to go into the cave you must book 📖 a tour in advance. There are several to choose from and we pick
Did you know that the longest cave system in the entire world 🌎 is locat…
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