Roseau County Minnesota has 3 places on the National Register of Historic Places including 2 places of Statewide significance. Significant places include Canadian National Depot and Roseau County Courthouse, Lodge Boleslav Jablonsky No. 219.
Some of the country's most noteable architects helped create the Roseau County places including Lignell & Loebeck, J. Schofield and Hugh Fawcett. Prominent architectural styles found in Roseau Country are .