Spanning a narrow stretch of the Mississippi River in Bemidji, the Nymore Bridge is a notable example of early-twentieth-century construction. Completed in 1917, it owes its success to innovative engineering, attractive design, and local funding. It was added to the National Register of Historic Places in 1989.

The David Park House in Bemidji is an outstanding example of residential Streamline Moderne architecture. It was placed on the National Register of Historic Places in 1988.

The Cottonwood County Courthouse, completed in 1905 and listed on the National Register of Historical Places in 1977, is a source of beauty and pride for the residents of Cottonwood County.