Grant County Wisconsin (Vacant / Not In Use) has 3 places on the National Register of Historic Places including 1 place of National significance. Significant places include Central House Hotel, Boscobel High School, Potosi Brewery.
Some of the country's most noteable architects helped create the Grant County places including Van Ryn & de Gelleke and F. Frugger. Prominent architectural styles found in Grant Country are Italianate and Romanesque.