Marshall County Minnesota has 3 places on the National Register of Historic Places including 1 place of Statewide significance. Significant places include Old Mill State Park WPA/Rustic Style Historic Resources, Larson Mill, Taralseth, K.J., Company. 
Some of the country's most noteable architects helped create the Marshall County places including  Joseph Bell DeRemer and  John Larson. Prominent architectural styles found in Marshall Country are Tudor Revival.