Great Serpent Mound

The Great Serpent Mound is a 1,348-feet-long (411m), four-feet-high precontact effigy mound located in Peebles, Ohio, United States [1]. It was built on what is known as the Serpent Mound crater plateau, running along the Ohio Brush Creek in Adams County, Ohio [1]. The mound is the largest serpent effigy known in the world [1]. The first published surveys of the mound, by E. G. Squier and Edwin Hamilton Davis, were featured in their 1848 study Ancient Monuments of the Mississippi Valley [1]. Serpent Mound conforms to the surrounding land, as it was built on a bluff above the Ohio Brush Creek [1]. The mound is located on the site of a meteorite impact site known as the Serpent Mound crater [1]. The crater is around 8.7 miles in diameter and was formed 252–330 million years ago [1].