The North Shore Scenic Railroad (reporting mark NSSR) is a heritage railroad that operates between Duluth and Two Harbors, Minnesota, United States, along 28 miles (45 km) of the Lakefront Line, once part of the Duluth, Missabe and Iron Range Railroad. Owned by the Lake Superior Railroad Museum, the NSSR operates out of the former Duluth Union Depot, now the St. Louis County Depot. Ridership hit 110,000 in 2018, the railroad's record.