Bronck Farm 13-Sided Barn - Credit: Wikimedia Commons
Bronck Farm 13-Sided Barn is a historic barn located at Coxsackie in Greene County, New York. It was built about 1832 and is a 13 sided frame structure with a hipped roof surmounted by an octagonal cupola. It has an overall diameter of 70 feet and the one story interior is open in plan. It is related to, but listed separately from the Bronck House. See also: Read more on Wikipedia
Source: en.wikipedia.org