Steamtown National Historic Site (NHS) is a railroa museum and heritage railroad located on 62 acres (0.25 km²) in downtown Scranton, Pennsylvania, at the site of the former Scranton yards of the Delaware, Lackawanna and Western Railroad (DL&W). The museum is built around and incorporates a working replica turntable and roundhouse, which includes two original roundhouse sections built in 1902 and 1937.