De Turk Round Barn - Credit: Wikimedia Commons
The De Turk Round Barn in Santa Rosa, California, United States, was a round barn that was built in 1891 by Santa Rosa Winery owner De Turk. It was used for his champion trotter horses until his death in 1896. It was listed on the National Register of Historic Places in 2004. Read more on Wikipedia
Source: en.wikipedia.org