Campus Martius Museum January 11, 2023 Location 601 Second StreetMariettaOhio45750 Next Event Discovering History – Ohio Cemeteries 101 - December 5, 2025 - 12:00 pm - 1:00 pm Upcoming Events Discovering History – Ohio Cemeteries 101 - December 5, 2025 - 12:00 pm - 1:00 pm