The Tonsfeldt Round Barn is a historic building located on the Plymouth County Fairgrounds in

LeMars, Iowa Le Mars is the county seat of Plymouth County, Iowa, United States. It is located on the Floyd River northeast of Sioux City, Iowa, Sioux City. The population was 10,571 at the time of the 2020 United States Census, 2020 census. Le Mars is part ...

, United States. It was built in 1918 to house H.P. Tonsfeldt's purebread Polled Hereford cattle, and prize bull, on his farm west of the city. with The building is a true

round barn A round barn is a historic barn design that could be octagonal, polygonal, or circular in plan. Though round barns were not as popular as some other barn designs, their unique shape makes them noticeable. The years from 1880 to 1920 represent th ...

that measures . The barn features white horizontal siding, an aerator and a

Gothic Gothic or Gothics may refer to: People and languages *Goths or Gothic people, the ethnonym of a group of East Germanic tribes **Gothic language, an extinct East Germanic language spoken by the Goths **Crimean Gothic, the Gothic language spoken b ...

curved roof. The self-supporting Gothic-arch dome of this barn is a unique feature on

Iowa Iowa () is a state in the Midwestern region of the United States, bordered by the Mississippi River to the east and the Missouri River and Big Sioux River to the west. It is bordered by six states: Wisconsin to the northeast, Illinois to the ...

's round barns. In 1981 the barn was moved from the farm to the fairgrounds in order to preserve it. It is now used for exhibit space. The barn has been listed on the

National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic v ...

since 1986.

References

Gothic-arch barns Infrastructure completed in 1918 Buildings and structures in Plymouth County, Iowa National Register of Historic Places in Plymouth County, Iowa Barns on the National Register of Historic Places in Iowa Round barns in Iowa Le Mars, Iowa Relocated buildings and structures in Iowa {{Iowa-struct-stub