Clay County Indiana (Historic Districts) has 4 places on the National Register of Historic Places including 1 place of Statewide significance. Significant places include Shakamak State Park Historic District, Brazil Downtown Historic District, Meridian--Forest Historic District, Tide Water Pumping Station.
Some of the country's most noteable architects helped create the Clay County places including WPA, CCC, George A. Fletcher, George J. Hanks, McGuire & Shook, James Knox Taylor and Brubaker & Stern. Prominent architectural styles found in Clay Country are Italianate, Queen Anne and Romanesque.