Dauphin County Pennsylvania (Historic Districts) has 13 places on the National Register of Historic Places including 4 places of Statewide significance. Significant places include Clemson Island Prehistoric District, Fort Hunter Historic District, Harrisburg Historic District and Harrisburg Military Post and Harrisburg Cemetery.
Prehistoric cultural affiliation(s) include Woodland and Archaic dating back to 6999 BC.
Some of the country's most noteable architects helped create the Dauphin County places including A. Boyd Hamilton. Prominent architectural styles found in Dauphin Country are Late Victorian, Late 19th And 20th Century Revivals and Federal.