Duluth, Minnesota Lakes Waterway and the Saint Lawrence Seaway. Duluth forms a metropolitan area with neighboring Superior, Wisconsin, called the Twin Ports. The cities share the Duluth–Superior harbor and together are the Great Lakes' largest port, transporting coal, iron ore (taconite), and grain. A tourist destination for the Midwest, Duluth features the United States' only all-freshwater aquarium, the Great Lakes Aquarium; the Aerial Lift Bridge, which spans the Duluth Ship Canal into the Duluth–Superior Harbor; and Minnesota Point (known locally as Park Point), the world's longest freshwater baymouth bar, spanning . The city is also the starting point for vehicle trips along
Duluth, Minnesota make this attraction popular among visitors and locals. The North Shore Scenic Railroad is a heritage railroad that operates between Duluth and Two Harbors, Minnesota. It is owned by the Lake Superior Railroad Museum and offers several different types of passenger excursion trains between May 28 and October 15 each year. The railroad was started in 1990, using the Lakefront Line once owned by the Duluth, Missabe and Iron Range Railway. The NorShor Theatre is a historic movie palace on Superior Street that is being restored for use as a performance venue. The century-old venue is generally considered a local