Adams County Mississippi (Historic Districts) has 11 places on the National Register of Historic Places including 5 places of National significance and 4 places of Statewide significance. Significant places include Jefferson College, Natchez 0n-Top-of-the-Hill Historic District, Natchez Bluffs and Under-the-Hill Historic District, Natchez On-Top-of-the-Hill Historic District (Boundary Increase) and Texada House and Quarters (Boundary Increase).
Some of the country's most noteable architects helped create the Adams County places including Neibert and Gemmell, William K. Ketteringham and Robert Bost. Prominent architectural styles found in Adams Country are Greek Revival, Italianate and Late Victorian.