Donelson Flotilla

Historical marker location:

South Wilcox Drive, Kingsport, Tennessee

( Marker is on South Wilcox Drive (Tennessee Route 126) north of Jared Drive, on the right when traveling north.)

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.