Behold the amazing megafauna that roamed the Americas over 15 thousand years ago. There's a family of mastodons, some American horses (yes, they evolved in the Americas!), and even a curious tapir.

You'll definitely want to click on the image to see it full size.

Stephen Moore is an artist in Lexington, Kentucky, who specializes in natural history and nature art. You can see more of his work on his website.