Travel back in time to learn all about the history of Old Orchard Beach at the Harmon Museum and Historical Society. Old Orchard Beach Historical Society is open Mondays - Fridays from 10am to 3pm and is located at 4 Portland Avenue in Old Orchard Beach. #OOB #OldOrchardBeach #Maine #Historicalsociety #HarmonMuseum #Thingstodo #Placestogo | Old Orchard Beach Chamber of Commerce