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 Superior Surfing Club which currently has about 50 members who surf the cold waters of Lake Superior. The University of Minnesota Duluth Recreational Sport Outdoor Program offers classes in kayak, stand-up paddleboarding, or canoe whitewater river running, and they hold the Annual St. Louis River Whitewater Rendezvous Slalom & Sprint Races in July. The program also provides sea kayaking and rock climbing lessons for individuals and families. In 2014, Duluth won "Outside" magazine's "Best Town 2014" tournament. "Outside" magazine editors asked readers to choose "the best place to live in America" from 64 cites that they had selected, and Duluth