The Lost Sea Adventure
49 locals recommend
Tips from locals
Only 53 minutes away. They offer tours that include a boat ride and with rainbow trout. They also offer This is the 2nd largest underground lake in the world.
Craighead Caverns is an extensive cave system located in between Sweetwater and Madisonville, Tennessee. It is best known for containing the United States' largest and the world's second largest non-subglacial underground lake, The Lost Sea.
A fascinating exploration of the local cave system in our part of Tennessee! This one contains a large body of water with underground fish that have NO eyes! Take the boat tour and enjoy the year-round cool temperatures of the world deep below the surface of the earth!