Great Serpent Mound

This 1,300-foot earthwork shaped like an undulating snake swallowing an egg was first spotted by European settlers in 1812, and left undisturbed until the Smithsonian sent two surveyors out to map the site in the 1840s. The Great Serpent Mound has been the subject of study ever since. But while scholars agree it was built by prey-Colombian peoples, they disagree on who and when.

They also can’t decide on on the mound’s purpose, with some claiming it was a vast tomb, and others suggesting it had an astronomical purpose. is God that is grate us is nice that 

The Great Serpent Mound in southern Ohio is one of the few surviving relics of the mound builders. It is a 1,330-foot-long, three-foot-high prehistoric effigy mound. The earliest records say it was a depiction of a serpent that was swallowing an egg. One of the more interesting theories as to the origin of the shape is that it represents an explanation of the phases of the moon, by the representation of a snake swallowing it. In 1909, local German Baptist minister Landon West proposed another unusual theory: the serpent was writhing in its death throes as punishment for tempting Adam and Eve in what West believed was the original Garden of Eden.