Adams County North Dakota has 3 places on the National Register of Historic Places including 3 places of Statewide significance. Significant places include Adams County Courthouse, Cedar Creek Bridge and US Post Office--Hettinger, Adams County Courthouse and US Post Office--Hettinger.
Some of the country's most noteable architects helped create the Adams County places including Henry Huether Jr., Ira Rush, Twin City Building Company, Fred R. Comb and Louis A. Simon. Prominent architectural styles found in Adams Country are Art Deco.