Round Barn, Bruce Township Section 6 - Credit: Wikimedia Commons
The Round Barn, Bruce Township Section 6 was located in Bruce Township, Benton County, Iowa, United States. It was built in 1914 as a general purpose barn. with The building was a true round barn that measured in diameter. The barn was constructed of clay tile from the Johnston Brothers' Clay Works and it featured a conical roof. The structure did not have a cupola, but there was a silo that rose from the center. It was listed on the National Register of Historic Places (NRHP) in 1986. Read more on Wikipedia
Source: en.wikipedia.org