Palmer Park Apartment Building Historic District was created in 1925.
James Cant Ranch Historic District was created in 1918.
Joseph T. Smitherman Historic Building was created in 1847.
Historic Folsom was created in 2005.
National Trust for Historic Preservation was created in 1949.
Gingras Trading Post State Historic Site was created in 1845.
Lincolnshire Historic District was created in 1923.
Wrightsville Historic District was created in 1790.
Leinkauf Historic District was created in 1987.
Boswell Historic District was created in 1901.
Twickenham Historic District was created in 1818.
Enclosure Historic District was created in 1812.
Binnewater Historic District was created in 1872.
Chaplin Historic District was created in 1815.
Nauvoo Historic District was created in 1839.
Greystone Historic District was created in 1817.
Sheepscot Historic District was created in 1635.
Mannington Historic District was created in 1855.