Mexico's Temple of Quetzalcoatl, or the Feathered Serpent ... suggesting that many ancient mysteries are evidence of early human contact with extraterrestrials. Some fringe theories, including ...

Their religion was built on a balance between creation and destruction, embodied by deities like Quetzalcoatl, Huitzilopochtli, and Tezcatlipoca. Rituals, including human sacrifices, played a ...