Mercer County Historical Museum
130 E Market, PO Box 512
Celina, OH 45822
This museum chronicles the past 200 years of Mercer County area life. Also known as the Riley House, the museum contains genealogical materials and many books of local history. Open Houses with Special Exhibits are held throughout the year, e.g. Prehistoric Artifacts; Antique Guns; Post Cards; Sports Hall of Fame, etc.
Over two dozen Western Ohio and Mercer County Local History Books have been printed by the Historical Society. A weekly newspaper column is written by Joyce Alig, President, who has the best Archival Collection of Mercer County History in existence.