Sultana Monument

Historical marker location:

Knoxville, Tennessee

( Memorial can be reached from Berry Road, 0.2 miles east of Maryville Pike (Tennessee Route 33), on the right when traveling east.)

Marker installed: 1916

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.