10 Mysterious Ancient Sites in the U.S. That Challenge Our Understanding of Early Civilizations
Across the United States, earthworks, cliff palaces, and desert monuments are rewriting the story we thought we knew about early North America. The mystery is not that people lived here thousands of years ago – it’s how sophisticated, connected, and ambitious many of these communities were. Archaeologists armed with lidar, isotope chemistry, and cutting-edge dating ...
