Dutch Windmill (Golden Gate Park)
The Dutch Windmill is the northern of two functioning windmills, the other being Murphy Windmill, on the western edge of Golden Gate Park in San Francisco, California. It was completed in 1903, and placed on the San Francisco Designated Landmark list on December 6, 1981.
Source: Wikipedia — Dutch Windmill (Golden Gate Park) (CC BY-SA 4.0)