Lincoln County Missouri (Historic Districts) has 5 places on the National Register of Historic Places including 2 places of National significance and 2 places of Statewide significance. Significant places include Lock and Dam No. 25 Historic District, Soil Erosion Nursery, United States Department of Agriculture, Camp Sherwood Forest Historic District and Cuivre River State Park Administrative Area Historic District.
Some of the country's most noteable architects helped create the Lincoln County places including Civilian Conservation Corps, Almern Frederick Griffin, COE, CCC and WPA. Prominent architectural styles found in Lincoln Country are Late 19th And 20th Century Revivals and Late Victorian.