Stop 7 Fort McDermott:

Historical marker location:

29750 Larry Dee Cawyer Drive, Spanish Fort, Alabama

( Marker is on Larry Dee Cawyer Drive.)

"The Men Dig,Dig,Dig". Civil War Trail.

The Confederate submarine H.L. Hunley, which was the first submarine to sink an enemy ship in combat, was built in Mobile, Alabama in 1863.