Exhibits demonstrate the history and operations 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 ploughed 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.