Saline County Missouri (Historic Districts) has 4 places on the National Register of Historic Places including 1 place of National significance. Significant places include Arrow Rock, Mt. Carmel Historic District, Sweet Springs Historic District, Sweet Springs Historic District Boundary Decrease.
Some of the country's most noteable architects helped create the Saline County places including Edgar Rives Page and Chastain Garland Page. Prominent architectural styles found in Saline Country are Queen Anne, Classical Revival and Early Commercial.