Johnson County Wyoming (Historic Districts) has 7 places on the National Register of Historic Places including 1 place of National significance and 2 places of Statewide significance. Significant places include Fort McKinney, HF Bar Ranch Historic District and Wold Rock Art District, Beaver Creek Ranch Headquarters and Main Street Historic District.
Some of the country's most noteable architects helped create the Johnson County places including Willis Moses Spear and Herschel Elarth. Prominent architectural styles found in Johnson Country are .