Knox County Ohio (Historic Districts) has 6 places on the National Register of Historic Places including 1 place of National significance and 2 places of Statewide significance. Significant places include Kenyon College, East Gambier Street District and East High Street Historic District, East High Street Historic District and Gambier Historic District.
The famous person Henry B. Curtis is associated with one of more of the Knox County historic places.
Some of the country's most noteable architects helped create the Knox County places including Frank L. Packard, William Fish and Robert Wright. Prominent architectural styles found in Knox Country are Greek Revival, Art Deco and Federal.