In the American Midwest, a mysterious location exhibits the ancient ingenuity of the indigenous people of North America. The Cahokia Mounds site stands on the other side of the river from what is ...

Researchers analyzed thousands of ancient artifacts to track native American population changes in North America before ...

This story appears in the January 2011 issue of National Geographic magazine. If they ever build a Wal-Mart at Machu Picchu, I will think of Collinsville Road. I'm standing at the center of what ...