Benton County Washington (Historic Districts) has 8 places on the National Register of Historic Places including 7 places of National significance and 1 place of Statewide significance. Significant places include Gold Coast Historic District, Hanford North Archeological District, Locke Island Archeological District, Rattlesnake Springs Sites and Ryegrass Archeological District.
Prehistoric cultural affiliation(s) include Wanapum, Native American, Cayuse and Frenchman Springs dating back to 8999 BC.
Some of the country's most noteable architects helped create the Benton County places including Gustav Albin Pehrson, Smith, Hoffman and Wight Co. and et al. Prominent architectural styles found in Benton Country are Modern Movement.