the Lost sea is a registered natural Landmark


the entrance building which contains the yellow man made tunnel that leads to the caverns

Craighead Caverns is an extensice cave system located in Sweetwater, Tennessee, USA. It's the home of the worlds largest underground lake.

Lost Sea AdventureEdit

There is a tourist attraction called Lost Sea Adventure that gives guided tours of the caverns


tourist boarding for the boat portion of the tour this is the part were they see the Lost Sea