Serpent Mound is the largest effigy mound in North America — and one of only two effigy mounds in Ohio. It's worth the 90-minute drive to see this preserved ancient earthwork that stretches 1,330 feet ...
The Unknown on MSN
The Mysteries of Serpent Mound
Graham Hancock explores Ohio’s Serpent Mound on JRE, suggesting it may predate known history, with links to lost civilizations, astronomy, and ancient knowledge, sparking debate on humanity’s past.
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