Bayfield County Wisconsin (Vacant / Not In Use) has 5 places on the National Register of Historic Places including 4 places of Statewide significance. Significant places include OTTAWA (Tug) Shipwreck Site, Old Bayfield County Courthouse, SEVONA (Bulk Carrier) Shipwreck Site and South Shore Public School and Pureair Sanatorium.
Some of the country's most noteable architects helped create the Bayfield County places including Henry Wildhagen, John Nader, Wheeler,F.W.,and Co. and Miller Bros. of Chicago. Prominent architectural styles found in Bayfield Country are Classical Revival and Colonial Revival.