The Tim Thering Octagon Barn built in 1907 is an historic

octagon In geometry, an octagon () is an eight-sided polygon or 8-gon. A '' regular octagon'' has Schläfli symbol and can also be constructed as a quasiregular truncated square, t, which alternates two types of edges. A truncated octagon, t is a ...

al barn built by Edgar Carpenter located north of

Plain In geography, a plain, commonly known as flatland, is a flat expanse of land that generally does not change much in elevation, and is primarily treeless. Plains occur as lowlands along valleys or at the base of mountains, as coastal plains, and ...

Wisconsin Wisconsin ( ) is a U.S. state, state in the Great Lakes region, Great Lakes region of the Upper Midwest of the United States. It borders Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michig ...

. It is listed in ''Dale Travis' Wisconsin Round Barns List''.Wisconsin Round Barns List - Sauk County
/ref>

References

Octagon barns in the United States Buildings and structures in Sauk County, Wisconsin Barns in Wisconsin {{Wisconsin-struct-stub