The Secrest Octagon Barn is a historic building located near Downey in rural Johnson County, Iowa, United States. It was constructed in 1883 by master builder George Frank Longerbean for Joshua Hunt Secrest as a hay barn-horse stable. The octagonal barn measures 80 feet (24 m) in diameter. It features red vertical siding and a sectional bell shaped roof that is supported by hand-laminated beams. The octagon-shaped cupola has the same roof shape as the barn. It was listed on the National Register of Historic Places in 1974.
The Fobes Octagon Barn is a historic building located south of Lanesboro, Iowa, United States. It was built in 1883, and at the time of its nomination it was one of 14 octagon-shaped barns from the 19th-century left in Iowa. The barn has a diameter of 66 feet (20 m) and features a stone foundation, and a hip roof with a square cupola on top. The modification of the roof suggests this is a "Coffine type" structure similar to others built by Lorenzo Coffin. The general purpose barn has two granaries, horse stalls, and the rest of the space is open for agricultural machinery. It was listed on the National Register of Historic Places in 1986.
The Nebergall "Knoll Crest" Round Barn is located between Davenport and Blue Grass in rural Scott County, Iowa, United States. It was built in 1914, and has been listed on the National Register of Historic Places since 1986.
The Round Barn, Washington Township is a historic building located south of Janesville, Iowa in Black Hawk County, United States. It was built in 1917 as a dairy barn. The building is a true round barn that measures 60 feet (18 m) in diameter. The structure is constructed in clay tile and features an aerator and a two-pitch roof. It was built around a silo with a water tank on top of it. While that is typical of this type of structure, it is the only one known to exist in Iowa. It has been listed on the National Register of Historic Places since 1986.
The Grimes Octagon Barn is an historic building located near West Union in rural Fayette County, Iowa, United States. It was built by Joe Butler in 1880 for M.W. Grimes. The building is an octagon that measures 65 feet (20 m) in diameter. It is one of 14 known 19th-century octagon barns that still exist on an Iowa farm. The barn features red metal siding, a roof composed of wedge-shaped sections and a hay dormer. The sectional roof marks it as a Stewart type that was named for the New York farmer and agricultural editor Elliott W. Stewart, who designed the prototype in 1874. The barn has been listed on the National Register of Historic Places since 1986.
The Brooks Round Barn was an historical building located near Nashua in rural Floyd County, Iowa, United States. It was built in 1914 by Emil Cable, with Dale Butler as the supervisor. The building was a true round barn that measured 74 feet (22.6 m) in diameter. It was constructed of clay tile and featured a two-pitch roof and a 16-foot (4.9 m) central clay tile silo. The interior featured stanchions around the silo on the ground floor, double horse stalls and grain bins in a circular arrangement on the main foor, and a hayloft. The barn was listed on the National Register of Historic Places in 1986. It was destroyed in 1995.
The Spotts Round Barn is a historic building located near Charles City in rural Floyd County, Iowa, United States. It was built in 1914 as a dairy and horse barn. Its design was influenced by the Iowa Agricultural Experiment Station. The building is a true round barn that measures 55 feet (17 m) in diameter. It is constructed of clay tile from the Johnston Brothers Clay Works. It features a two-pitch roof, a large hay dormer on the north side and a 12-foot (3.7 m) central silo. The barn has been listed on the National Register of Historic Places since 1986.
The Round Barn, Norway Township is a historical building located in rural Norway Township, Winnebago County, Iowa, United States. It was built in 1920 as a dairy and horse barn. The building is a true round barn that measures 53 feet (16 m) in diameter. It is constructed of clay tile from the Johnston Brothers' Clay Works in Webster County. It features an aerator, conical roof and a hay dormer on the south side. The barn has been listed on the National Register of Historic Places since 1987.
The W.J. Buck Polygonal Barn was a historical structure located near Diagonal in rural Ringgold County, Iowa, United States. It was built in 1907 and has been listed on the National Register of Historic Places since 1986. The building measures 65 feet (20 m) around. The structure of the barn was basically a central octagon with a sectioned roof. Double pitch sheds surrounded the barn characterizing it as an encircling wing type. The central section was six-sided and the wing was nine-sided. The plan appears to be the same as the one for the Lloyd Z. Jones stock barn published in Wallaces' Farmer on January 16, 1903 and again on October 25, 1907 and June 17, 1910. It has subsequently been torn down.
The Thomsen Round Barn was an historical building located near Armstrong in rural Emmet County, Iowa, United States. It was built in 1912 as a dairy barn. The building is a true round barn that measures 65 feet (20 m) in diameter. The first floor is constructed of concrete and the second floor consists of white vertical siding. It features a two-pitch conical roof, and a 16-foot (4.9 m) central silo. The barn was listed on the National Register of Historic Places since 1986. As of July 21, 2014 it is no longer standing.
The George Darrow Round Barn is a historic building located near Alta Vista in rural Chickasaw County, Iowa, United States. The true round barn was constructed of clay tile in 1916. The use of clay tiles suggests that it was influenced by the work of the Iowa Agricultural Experiment Station in the early 20th-century. It has a diameter 64 feet (20 m), and a height of 50 feet (15 m). The barn features a two-pitch roof and a 14-foot (4.3 m) central clay tile silo. It was built as a dairy barn and it was used as such until 1978. Dairy cow stanchions surround the central silo on one side of the barn in a circular arrangement, and horse stalls surround the other side. The barn has been listed on the National Register of Historic Places since 1986.
The Dyas Hexagonal Barn is an historical building located near Bellevue in rural Jackson County, Iowa, United States. Built in 1921, it features red horizontal siding, a tin roof and a central wood stave silo that extends through the roof. The building is hexagonal in shape and measures 50 feet (15 m) around. It is one of four known round barns that originally had a flat or near flat roof that was built on an Iowa farm. It has been listed on the National Register of Historic Places since 1986.
The Dobbin Round Barn is a historic building located near State Center in rural Marshall County, Iowa, United States. The true round barn was built in 1919 by Ike Inqersol and Amos Thomson. It features white vertical siding, a two-pitch roof, louvered cupola and a 12-foot (3.7 m) diameter central silo. The barn has a diameter of 65 feet (20 m). It is almost identical to another round barn in State Center Township. The barn has been listed on the National Register of Historic Places since 1986.
The John W. Young Round Barn is an historic building located near Traer in rural Tama County, Iowa, United States. It was built in 1917 by Joe Seda as a general purpose barn. The building is a true round barn that measures 65 feet (20 m) in diameter. The structure is constructed in clay tile and features a two-pitch roof and an 18-foot (5.5 m) central silo that is 45 feet (14 m) high. It has been listed on the National Register of Historic Places since 1986.
The Octagon Barn, Otter Township is a historic building located near Milo in rural Warren County, Iowa, United States. It was built in 1900 as a horse and dairy barn. The octagon-shaped building measures 54 feet (16 m) in diameter. The structure features a tall center section with a winged shed around it. It is covered in red horizontal siding and is topped by a sectional conical roof. It has been listed on the National Register of Historic Places since 1986.
The McCauley and Meyer Barns in Yosemite National Park are the last barns in the park that retain their original characteristics as structures built by homesteaders. The McCauley barn and the two Meyer barns represent different construction techniques and styles of design.
The El Tovar Stables at the south rim of the Grand Canyon were built about 1904, at the same time the nearby El Tovar Hotel was built, to house the animals used in general transportation around the park. Collectively called the "transportation department" in the early 20th century, the three structures comprised a horse barn or stable, a mule barn and a blacksmith shop.
The LaPierre Barn, also known as Louis LaPierre's Horse Hotel, is a site on the National Register of Historic Places located near Scobey, Montana, United States. It was added to the Register on April 11, 2005.
The Hines Round Barn in Sallisaw, Oklahoma, also known as Williams Barn, is a round barn that was built in 1913 for W.R. Hines. It was listed on the National Register of Historic Places in 1984.
The Clinton D. Gilson Farm is an outstanding example of a vernacular constructed farmstead for the late 19th century. The farm consists of outbuildings, the English barn, brooder houses, and a machine shop. The farm is located 3.5 miles (5.6 km) northeast of Hebron, Indiana. The Clinton D. Gilson Barn was built in 1892 and is on the National Register of Historic Places. It is the dominant structure on the Gilson Farm. A windmill was once located on the west end of the barn and an elevator on the east end.
