A Concealed Assault

Historical marker location:

Parkers Crossroads, Tennessee

( Marker is on Federal Lane, 0.2 miles east of Tennessee Route 22, on the right when traveling east.)

Marker installed: 2015

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.