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
Lake Superior Maritime Visitor Center of upper Great Lakes commercial shipping and the Aerial Lift Bridge. Many visitors particularly enjoy the three historically accurate replica cabins and a pilothouse from typical ships which plowed the waves of Lake Superior in years past. A three-story steam engine, 50 scale models and many interactive displays are available for visitors to explore. Thousand-foot-long freighters pass within 200 feet of the building, underneath the Aerial Lift Bridge, which lifts up to allow them to pass through. Lake Superior Maritime Visitor Center The Lake Superior Maritime Visitor Center is a museum in Duluth, Minnesota, operated by the United States Army