“Burned House” Mystery: Why Did This Ancient Culture Torch Its Own Homes Every 60 Years?
The arsons were no accident, archaeological evidence suggests.
How Do Archaeologists Know Where to Dig?
Archaeologists used to dig primarily at sites that were easy to find thanks to obvious visual clues. But technology—and listening to local people—plays a bigger role now.
Objects of Wonder: Costa Rica’s Stone Spheres
The people who chiseled Costa Rica's stone spheres out of granite belonged to a distinct Latin American culture called the Chibchan.