Hopeton Earthworks National Historical Park
The Hopeton Earthworks in Chillicothe, Ohio was one of the grandest geometric earthworks the American Indians of the Hopewell culture built 2000 years ago. The complex includes a 20-acre circle (~1,050 feet diameter), a 20-acre square, at least two small circles and parallel walls (5 feet high, 2,400 feet long,…
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