Waukesha County Wisconsin (Vacant / Not In Use) has 13 places on the National Register of Historic Places including 1 place of National significance and 4 places of Statewide significance. Significant places include Philadelphia Toboggan Company Carousel No. 15, Hadfield Company Lime Kilns, Johnston, William, Lime Kiln, Mace, Garwin, Lime Kilns and Sussex Lime Kiln.
Some of the country's most noteable architects helped create the Waukesha County places including Philadelphia Toboggan Co., William Johnston, Garwin Mace, Joseph Hadfield, Charles A. Gombert, Martin F. White, Charles S. Reid and Klug & Smith. Prominent architectural styles found in Waukesha Country are Art Deco, Italianate and Gothic.