Miller County Arkansas (Vacant / Not In Use) has 6 places on the National Register of Historic Places including 1 place of Statewide significance. Significant places include Texarkana Union Station, Adams, Wallace, Service Station, Buhrman--Pharr Hardware Company Historic District, Ritchie Grocery Building and Swift Building.
Some of the country's most noteable architects helped create the Miller County places including E.M. Tucker, A.B. Butterworth, Seibert & Halsey Witt and McGuire & Cavender. Prominent architectural styles found in Miller Country are Early Commercial, Renaissance and Romanesque.