Waveland Round Barn - Credit: Wikimedia Commons
The Waveland Round Barn was a historic building located near Cushing in rural Ida County, Iowa, United States. Built in 1900, the barn measured in diameter. It featured red vertical siding, a large central section with a conical roof, a wing section that surrounded the central section with a sectional roof and a hay dormer above the main entrance on the east side. The three-story central section makes this an unusual round barn in Iowa. with It was listed on the National Register of Historic Places in 1986. The barn was bulldozed and the remains were burnt in March 2012. Read more on Wikipedia
Source: en.wikipedia.org