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 Minnesota Duluth (UMD); the UMD campus includes a medical school. The UMD Bulldogs won the Division I National Hockey Championship in 2011 and 2018. Other schools include The College of St. Scholastica, Lake Superior College, and Duluth Business University. The University of Wisconsin–Superior and Wisconsin Indianhead Technical College are in nearby Superior, Wisconsin. Most public schools are administered by Duluth Public Schools. The schools have open enrollment. ISD 709 (Independent School District number 709) is now undertaking a reconstruction of all area schools under a program called the "Red Plan." The Red Plan's goals are the reconstruction of some older