Pratt and Buckingham Octagon House - Credit: Wikimedia Commons
The Pratt and Buckingham Octagon House is a historic octagon house in Fredonia, Chautauqua County, New York that was built in ca. 1865. It is a private home at 99 Chestnut Street; the rear of the property is on Canadaway Creek. Read more on Wikipedia
Source: en.wikipedia.org