Duluth, Minnesota at the western end of the Saint Lawrence Seaway, the Duluth–Superior seaport is the largest and farthest-inland freshwater seaport in North America. By far the largest and busiest on the Great Lakes, the port handles an average of 46 million short tons of cargo and over 1,100 visits each year from domestic and international vessels. With of waterfront, it is one of the leading bulk cargo ports in North America and ranks among the top 20 ports in the United States. Duluth is a major shipping port for taconite pellets, made from concentrated low-grade iron ore and destined for midwestern
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