“It’s about capturing Cahokia at its height. It’s basically an idea of the culture in various tableaus.” The first movement ...

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 ...

Home to 20,000 people, Cahokia faced a series of catastrophic ... contributed to the mysterious disappearance of this remarkable civilization. Today, visitors can still see their petroglyphs ...