Ohio River Museum Explore the story of the Ohio River and step aboard the W.P. Snyder Jr., the nation’s last intact steam-powered, stern-wheeled towboat. Categories: Attractions, Southeast Ohio601 Front StreetMarietta, OH 45750 Get DirectionsWebsite800-860-0145 (Main)Contact: Emily SchofieldGroup Tour Contacteschofield@ohiohistory.orgPlease login here to update your business.Return to Business Listings