The Great Pyramid of Giza is the oldest and largest of the three pyramids in the Giza pyramid complex bordering what is now El Giza, Egypt. It is the oldest of the Seven Wonders of the Ancient World, and the only one to remain largely intact. Credit: Wikipedia
The stones of Puma Punku shouldn even exist. They are so precisely cut that even a razor blade cant fit through their interlocking joints, a technology that didnt exist until centuries later. The Inca believed this ancient temple had been built by the gods who created the world.