Indian Key State Historic Site was created in 1972.
Waveland State Historic Site was created in 1848.
Olana State Historic Site was created in 1872.
Mastodon State Historic Site was created in 1980.
Deutschheim State Historic Site was created in 1978.
Koreshan State Historic Site was created in 1961.
Lorenzo State Historic Site was created in 1809.
Towosahgy State Historic Site was created in 1967.
Clermont State Historic Site was created in 1782.
Vandalia State House State Historic Site was created in 1836.
Knife River Indian Villages National Historic Site was created in 1974.
Landmark Inn State Historic Site was created in 1853.
Perryville Battlefield State Historic Site was created in 1936.