What are the Newark Earthworks?
According to archaeologist and author Chris Scarre, the Newark Earthworks are one of the 70 wonders of the ancient world. Originally, the Newark Earthworks were the largest series of mounds and earthen enclosures in the world. It was built nearly 2,000-years-ago and included two giant circles, one square, one octagonal, and one oval earthwork. The entire earthwork complex covered nearly five square miles. It was part cathedral, part cemetery, and part astronomical observatory.