The area of Washington's Headquarters State Historic Site is 28,327.9949568 square meters.
Knox's Headquarters State Historic Site was created in 1754.
Washington's Headquarters State Historic Site was created in 1725.
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.
The address of the Historic Halifax State Historic Site is: , Halifax, NC 27839
Vandalia State House State Historic Site was created in 1836.