The Great Serpent Mound is a 1,300-foot (396 m) long and 3-foot (91 cm) high prehistoric effigy mound located on a plateau of a crater along Ohio Brush Creek in Adams County, Ohio, and is the largest...
Within the lush Ohio River Valley lies the famous Serpent Mound effigy. It is an earthen mound aligned with the solstices, which rests on the ridge of a meteorite impact crater. This ancient,...