Beyond Myths: How Human Ingenuity and Geometry Shaped the World's Ancient Monuments

To the point

Ancient peoples around the world built monumental structures through clever engineering, precise geometry, and ceremonial practices, not extraterrestrial intervention.

Were these ancient sites built by aliens? Here’s why some people think so.
nationalgeographic.com

Were these ancient sites built by aliens? Here’s why some people think so.

From the Egyptian pyramids to the Nasca (Nazca) Lines, these ancient sites are some of the most enigmatic constructions on Earth.