Carter County Oklahoma (Historic Districts) has 5 places on the National Register of Historic Places including 2 places of National significance and 1 place of Statewide significance. Significant places include Lake Murray State Park, Lake Murray State Park and Dornick Hills Country Club, Ardmore Historic Commercial District and Ardmore Historic Commercial District (Boundary Increase and Decrease).
Some of the country's most noteable architects helped create the Carter County places including Civilian Conservation Corps, Works Progress Administration, Perry Duke Maxwell, C.E. Troutman and Oscar Wenderoth. Prominent architectural styles found in Carter Country are Late 19th And 20th Century Revivals, Classical Revival and Early Commercial.