The Lost Sea Adventure is a popular tourist attraction located in Sweetwater, Tennessee. It is known for being the largest underground lake in the United States and offers visitors a unique and fascinating experience. Craighead Caverns is an extensive cave system located in between Sweetwater and Madisonville, Tennessee.
Tuckaleechee Caverns is another popular tourist destination located in Townsend, Tennessee, not far from Great Smoky Mountains National Park. It is one of the most extensive and impressive cavern systems in the eastern United States and attracts visitors with its stunning underground formations.