Serpent Mound, Effigy mound in Ohio
The Serpent Mound is a prehistoric effigy mound located along Ohio Brush Creek in Adams County, Ohio.
Built by the ancient American Indian cultures of Ohio, it's the largest serpent effigy in the world.
The mound represents a snake with a curled tail, often associated with dualistic beliefs.
The park includes a museum and picnic areas for visitors.
The head of the serpent is aligned to the summer solstice sunset.
Location: Adams County
Sources: Wikimedia, OpenStreetMap