An early explorer called Mammoth Cave National Park a “grand, gloomy and peculiar place,” and that’s just the sort of place where ThreadBanger hosts Corinne and Rob want to spend their day. Check out their must-see spots at the world’s longest known cave system.
Discover more incredible U.S. caves and caverns: https://www.travelchannel.com/interests/outdoors-and-adventure/photos/incredible-us-caves-and-caverns?soc=youtube
Watch more videos from ThreadBanger: https://www.youtube.com/user/ThreadBanger
Find more great content from Travel Channel:
Travel Channel YouTube Channel: http://www.youtube.com/travelchanneltv
Subscribe to Travel Channel on YouTube: http://www.youtube.com/subscription_center?add_user=travelchanneltv
Follow Travel Channel on Twitter: http://www.twitter.com/travelchannel
Like Travel Channel on Facebook: https://www.facebook.com/TravelChannel/