Coos County New Hampshire (Historic Districts) has 7 places on the National Register of Historic Places including 2 places of National significance and 4 places of Statewide significance. Significant places include Nansen Ski Jump, Weeks State Park, Mountain View House, Nansen Ski Jump and Waumbek Cottages Historic District.
Some of the country's most noteable architects helped create the Coos County places including Hussey Manufacturing Company and Joseph Austin Martin. Prominent architectural styles found in Coos Country are Bungalow/Craftsman, Colonial and Colonial Revival.