Long before the Great Pyramid rose at Giza, Pharaoh Snefru—the father of Khufu—pushed the limits of design in his quest for perfection. From the Bent Pyramid’s flawed angles to the triumph of the Red ...

This file Aug. 19, 2011 photo shows tourists as they leave the Bent Pyramid at Dahshur, about 25 miles south of Cairo, Egypt. An international heritage research group says scientists will begin ...

Egypt’s Pyramids of Giza were built to endure an eternity, but how remains one of the ancient world’s greatest mysteries. Here’s what archaeologists know.