Harney County Oregon has 7 places on the National Register of Historic Places including 2 places of Statewide significance. Significant places include Allison Ranger Station and French, Pete, Round Barn, Double-O Ranch Historic District, Frenchglen Hotel and P Ranch.
Some of the country's most noteable architects helped create the Harney County places including Pete French. Prominent architectural styles found in Harney Country are Bungalow/Craftsman.