Piney Flats Village

Historical marker location:

6740 Bristol Highway, Piney Flats, Tennessee

( Marker is at the intersection of Bristol Highway (U.S. 19W) and Piney Flats Road, on the right when traveling north on Bristol Highway.)

The largest underground lake in the United States is located in Tennessee. The Lost Sea, located in Sweetwater, Tennessee, covers over four acres and is home to a variety of unusual creatures, including blind fish and crayfish.