Archie Campbell / Chet Atkins

Historical marker location:

204 South Gay Street, Knoxville, Tennessee

( Marker is at the intersection of West Summit Hill Drive and South Gay Street, on the right when traveling west on West Summit Hill Drive.)

Cradle of Country Music Tour.

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.