Wormsloe Historic Site was created in 1973.
Sully Historic Site was created in 1799.
Steamtown National Historic Site was created in 1995.
Olana State Historic Site was created in 1872.
Mastodon State Historic Site was created in 1980.
Slater Mill Historic Site was created in 1793.
Koreshan State Historic Site was created in 1961.
Clermont State Historic Site was created in 1782.
Waveland State Historic Site was created in 1848.
Fort Mitchell Historic Site was created in 1813.
Towosahgy State Historic Site was created in 1967.
Lorenzo State Historic Site was created in 1809.
Deutschheim State Historic Site was created in 1978.