Rock County Nebraska has 4 places on the National Register of Historic Places including 1 place of Statewide significance. Significant places include Carns State Aid Bridge, Ash Creek Ranch Barn, Bassett Lodge and Range Cafe, Rock County Courthouse.
Some of the country's most noteable architects helped create the Rock County places including Lincoln Construction Co., E.B. Watson and Tom Galleher. Prominent architectural styles found in Rock Country are Art Deco and Moderne.