Tourist attractions go Results Found: 3 Button group with nested dropdown The Castle The Castle 418 Fourth Street Marietta OH 45750 (740) 373-4180 Valley Gem Sternwheeler Valley Gem Sternwheeler 601 Front St Marietta OH 45750 (740) 373-7862 Mtta/Wash. Co. Convention & Visitors ... Mtta/Wash. Co. Convention & Visitors Bureau 241 Front Street, Suite 7 Marietta OH 45750 (740) 373-5178