Confederate Memorial State Historic Site was created in 1952.
Glendower State Memorial was created in 1836.
The Pennsylvania State Memorial was created in 1911.
Deutschheim State Historic Site was created in 1978.
Olompali State Historic Park was created in 1977.
Olana State Historic Site was created in 1872.
Mastodon State Historic Site was created in 1980.
Historic Washington State Park was created in 1973.
State Historic Preservation Office was created in 1976.
Columbia State Historic Park was created in 1946.
Koreshan State Historic Site was created in 1961.
McFarland State Historic Park was created in 1878.
Clermont State Historic Site was created in 1782.