Lake Superior islands include Madeline Island in the state of Wisconsin, Michipicoten Island in the province of Ontario, and Grand Island (the location of the Grand Island National Recreation Area) in the state of Michigan. The larger cities on Lake Superior include the twin ports of Duluth, Minnesota and Superior, Wisconsin; Thunder Bay, Ontario; Marquette, Michigan; and the twin cities of Sault Ste. Marie, Michigan, and Sault Ste. Marie, Ontario. Duluth-Superior, at the western end of Lake Superior, is the most inland point on the St. Lawrence Seaway and the most inland port in the world. Among the scenic places on the
Canal Park, Duluth lighthouse pier, the Lake Superior Maritime Visitor Center, the Great Lakes Aquarium, and the William A. Irvin floating ship museum. Those interested in boats will also enjoy watching vessels from around the world enter Duluth's port. Until January 2017, Canal Park was the home of broadcast studios for four Red Rock Radio stations. The Duluth NBC affiliate KBJR is still located in Canal Park. Canal Park, Duluth Canal Park is a tourist and recreation-oriented district of Duluth, Minnesota, United States. Situated across the Interstate 35 freeway from Downtown Duluth, it is connected by the famous Aerial Lift Bridge to the