Beltrami County Minnesota has 13 places on the National Register of Historic Places including 1 place of National significance and 5 places of Statewide significance. Significant places include Rabideau Civilian Conservation Corps (CCC) Camp, Beltrami County Courthouse, Lake Bemidji State Park CCC/NYA/Rustic Style Historic Resources, Nymore Bridge and Rabideau Civilian Conservation Corps (CCC) Camp dating back to 3499 BC.
Some of the country's most noteable architects helped create the Beltrami County places including Civilian Conservation Corps, Jens Wolden, Kinney & Detweiler, George M. Cheney, Standard Reinforced Concrete Co., Schmidt Bros., Edward K. Mahlum, Jim Payton, W.D. Gillespie and Cyril M. Dickinson. Prominent architectural styles found in Beltrami Country are Classical Revival, Beaux Arts and Moderne.