The Mystery of the Great Serpent Mound of Ohio
The Great Serpent Mound is an ancient earthworks site located in present-day Ohio. This effigy mound is over a quarter of a mile long, up to twenty-five feet wide, and five feet tall. It’s the largest serpent effigy ever discovered. Effigy mounds were common in the Mississippi Valley. Other surviving examples have been found in […]
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