Steamtown National Historic Site is located on sixty-two acres in Scranton, Pennsylvania and originally served as the operating rail yard for the Delaware, Lackawanna, and Western Railroad. Operating as a National Park Service railroad museum and heritage railroad site since 1995, the railyard itself has been in active use since 1851.  The National Historic Site is centered around a working turntable and roundhouse and includes numerous outbuildings dating from the 1850s through the 1930s. 

Today the 1865 Locomotive Machine Shop serves as an active equipment repair. The exterior restoration of the building has uncovered, interpreted, and illustrated various layers of history as the building played a critical role in the rail yard’s evolution from steam train operations to diesel locomotives.