Watauga Old Fields

Historical marker location:

801 East Elk Avenue, Elizabethton, Tennessee

( Marker is at the intersection of East Elk Avenue and North Main Street, on the right when traveling west on East Elk Avenue.)

Marker installed: 1923

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.