Rockland Turntable and Engine House - Credit: Wikimedia Commons
The Rockland Turntable and Engine House are a historic railroad maintenance facility in Rockland, Maine. The turntable and engine house were built in 1921, and are a significant reminder of the railroad's historic importance to the development of the city. The facilities were listed on the National Register of Historic Places on June 24, 1993. Read more on Wikipedia
Source: en.wikipedia.org