Campus Martius Museum January 11, 2023 Location 601 Second StreetMariettaOhio45750 Next Event Discovering History Speaker Series - April 4, 2025 - 12:00 pm - 1:00 pm Upcoming Events Discovering History Speaker Series - April 4, 2025 - 12:00 pm - 1:00 pmDiscovering History Speaker Series - May 2, 2025 - 12:00 pm - 1:00 pm