The Brooks Round Barn was an historical structure located near Nashua in rural Floyd County, Iowa. It was built in 1914 and has been listed on the National Register of Historic Places since 1986. The building was a true round barn that measured 60 feet (19.8 m) around. It was constructed of clay tile and featured a two-pitch roof and a 16-foot (19.8 m) silo. It was destroyed in 1995.