It presides over the plateau of Giza, on the outskirts of Cairo ... On average, the over two million blocks of stone used to build Khufu's pyramid weigh 2.5 tons, and the heaviest blocks, used ...

Its completion utterly transformed the plateau ... south of Giza, was Egypt’s first. Built for the 3rd-dynasty pharaoh Djoser in 2650 B.C., the 204-foot structure was built of stone instead ...