Prehistoric cultural affiliation(s) include Paleo-Indian, Adena, Fort Ancient and Effigy Mound dating back to 8999 BC.
Many famous people are associated with these Adams County historic places including Thomas Metcalf, Gov. Thomas Kirker, Joseph R. Cockerill, Andrew Jackson, John T. Wilson and Dr. Abel C. Lewis.
Some of the country's most noteable architects helped create the Adams County places including John Treber, Joseph R. Cockerill, Thomas Metcalf and Peter Wickerham. Prominent architectural styles found in Adams Country are Federal, Greek Revival and Late Victorian.