Calumet County, Wisconsin maintains three county parks Calumet County Park, Becker's Lake Park and Ledge View Nature Center and Brothertown and Stockbridge harbors. The Stockbridge harbor is on the List of Registered Historic Places in Wisconsin. Calumet County Park is under the Calumet County Park Group, an archeological site listed on the National Register of Historic Places. Ledge View Nature Center has a nature center which explains the geology of the area.