Lac Qui Parle County Minnesota (Historic Districts) has 2 places on the National Register of Historic Places including 1 place of Statewide significance. Significant places include Lac qui Parle State Park WPA/Rustic Style Historic District, Lac qui Parle County Poor Farm.
Some of the country's most noteable architects helped create the Lac Qui Parle County places including Works Progress Administration, National Park Service and Olson & Carson. Prominent architectural styles found in Lac Qui Parle Country are .