Moniteau County Missouri has 11 places on the National Register of Historic Places including 1 place of National significance and 1 place of Statewide significance. Significant places include Moniteau County Courthouse Square and Geiger Archeological Site, Assumption of the Blessed Virgin Mary Parish Historic District, Bruce, Louis, Farmstead Historic District and Finke Opera House.
Prehistoric cultural affiliation(s) include Sedalia dating back to 6999 BC.
Some of the country's most noteable architects helped create the Moniteau County places including William Meyer, O.W. Steigmeyer and Jerome Bibb Legg. Prominent architectural styles found in Moniteau Country are Italianate and Late Victorian.