The Ohio Snake Art That's Been Mid-Slither For A Millennium

The Serpent Mound in southern Ohio is 3 feet high and more than 1,300 feet long.

In new installment of the Spring Break series, Noah Adams visits the Serpent Mound in southern Ohio. It's not a burial site; it's a massive, grass-covered effigy of a snake, created a thousand years ago.

Copyright 2014 NPR. To see more, visit