Often overlooked in narratives of ancient civilizations, the archaeological site of Cahokia in the Mississippi River Valley ...

The reasons for Cahokia’s decline are still unknown, but you can learn about the sophisticated layout of the city with plazas ...

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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 ...

The remains of the most sophisticated prehistoric native civilization north of Mexico are preserved at Cahokia Mounds State Historic Site in Illinois. Archaeologist Natalie Mueller's new study ...

Advertisement Article continues below this ad Cahokia Mounds was the center of the North American mound-building culture, reaching its height by about C.E. 1200. However, within 200 years ...