While Ohio is full of multiple earthworks from various cultures, there’s no earthwork in the world that compares to the Great Serpent Mound—both in shape and size. But what’s even more intriguing about the mound is its indefinite purpose, which continues to baffle archaeologists and anthropologists.

If you’ve yet to see this marvel for yourself, you need to check it out. It’s truly unlike anything else you’ve ever seen in the world. Check it out:

Constructed in the shape of a snake, the Great Serpent Mound is one of the most impressive earthworks in North America and the world.

Screen shot via YouTube/The Kepler Telescope Channel

This 1,348-foot-long and three-foot-high prehistoric effigy mound along Ohio Brush Creek in Adams County continues to marvel locals and visitors alike.

Roy Luck/Flickr

It was built around 1000 A.D. by the Fort Ancient culture and likely used as a place of ceremony.

Roy Luck/Flickr

Although the original purpose of the earthwork is still unknown, markers at the sight point toward the summer solstice sunset, as the oval two-head area is aligned with the summer solstice sunset.

peggydavis66/Flickr

Capturing the whole thing in a photo is difficult, but absolutely amazing when possible…

Ann Merrill/Flickr

…and you can always climb the observation tower for a better view.

Kevin Bowman/Flickr

For more information about the history behind this geological wonder, watch the video below:

Screen shot via YouTube/The Kepler Telescope Channel

Roy Luck/Flickr

peggydavis66/Flickr

Ann Merrill/Flickr

Kevin Bowman/Flickr

The Great Serpent Mound is located at 3850 State Route 73, Peebles, OH 45660. Have you ever seen it for yourself? Share your experiences and photos with us via our Facebook page! And if this earthwork intrigued you, be sure to check out our previous article; 12 Marvels In Ohio That Must Be Seen To Be Believed.

OnlyInYourState may earn compensation through affiliate links in this article.