Historical Marker
Allen Grammar School
Historical marker location:
474 2nd Street Southeast, Cleveland, Tennessee
( Marker is on 2nd Street Southeast, 0.1 miles south of Linden Avenue Southeast, on the right when traveling south.)
Marker installed: 2017
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.