Fort Delaware State Park was created in 1951.
Fort Frederick State Park was created in 1922.
Fort DuPont State Park was created in 1992.
Prickett's Fort State Park was created in 1975.
Fort Harrison State Park was created in 1996.
Fort Washington State Park was created in 1953.
Fort Snelling State Park was created in 1962.
Fort Ridgely State Park was created in 1936.
Fort Defiance State Park was created in 1930.
Fort Macon State Park was created in 1826.
Fort Parker State Park was created in 1941.
Fort Clinch State Park was created in 1935.