They Found Ancient Pyramids Hidden Along the Mississippi River

Summary by Krater

An archaeologist discusses recent lidar discoveries in the Amazon and North America, revealing thousands of previously unknown ancient earthworks, settlements, and pyramid sites.

From the video

Answers: What are lidar scans revealing about ancient civilizations and structures in the Amazon?

• Amazon lidar discoveries
• ancient earthworks in the Amazon
• anthropogenic landscapes
• pre-Columbian Amazonian civilizations
• North American pyramid sites

What it concludes

• Lidar technology is revealing thousands of previously unknown ancient earthworks, communities, and anthropogenic landscapes hidden beneath the Amazon canopy.
• Lidar scans in North America are revealing dozens of big earthen pyramids along major river systems.
• Amazonian soils in many areas are anthropogenic, created by centuries of human cultivation rather than being purely natural jungle.