Museum go Results Found: 4 Button group with nested dropdown Friends of the Museums, Inc. dba Northwest Territory Museum Society Site Manager of the Campus Martius and Ohio River Museums Site Manager of the Campus Martius and Ohio River Museums 601 Second Street Marietta OH 45750 (740) 373-3750 Discovery World on Market Discovery World on Market 900 Market Street Parkersburg WV 26101 (681) 588-5800 The Castle The Castle 418 Fourth Street Marietta OH 45750 (740) 373-4180 Washington County Historical Society Washington County Historical Society 346 Muskingum Drive Marietta OH 45750 (740) 373-1788