📜 Historic cemetery in Marietta, Ohio, centered around a prehistoric Adena burial mound.🔍 Established in 1801, it preserved the Great Mound and holds more Revolutionary War officer burials than any other US cemetery. # Why Go 🏛️ Explore a site with a 2,000-year-old Adena burial mound🇺🇸 Visit the resting place of many Revolutionary War officers🌳 Enjoy tranquil surroundings and a well-maintained historic cemetery atmosphere🏛️ See the Great Mound (Conus) # Why Avoid 🚫 Dogs not allowed inside the cemetery⚠️ Visitors discouraged from climbing the mound # Tips 💧 For guided tours, dress for weather, bring water, walking sticks, or folding chairs # Cost 💰 Guided tours cost $12 per person; Castle Members receive free admission. # Hours 🕒 Daily, 9:00 a.m. until dusk.