Prehistoric cultural affiliation(s) include Windust Phase, Cascade Phase and Nimipu Phase dating back to 10999 BC.
The famous person Heigho,E.M. and Col. is associated with one of more of the Adams County historic places.
Some of the country's most noteable architects helped create the Adams County places including H.W. Bond, George Brinson, U.S. Forest Service, Washington County Land & Development and Civilian Conservation Corps. Prominent architectural styles found in Adams Country are Colonial Revival, Italianate and Late 19th And Early 20th Century American Movements.