Erich von Däniken guides us on a journey through ancient American sites where megalithic structures depict extraterrestrial beings interacting with cultures predating the Mayans and Incans. We will find reflections of a time when the gods descended from the sky and became mentors to burgeoning human civilizations. These can be found along the Street of the Dead in Teotihuacan and the pyramids in Tikal. Many explorers have sought a scientific explanation for these astonishing findings, but the enduring mystery of these sites forces us to accept that something extraordinary happened ages ago