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

We all know what Egypt’s pyramids look like on the outside, but what do they look like on the inside? Narrow passageways, spacious chambers and steep galleries make up the bulk of the interior layouts ...

On the northeastern edge of the Giza Plateau, I discovered three perfectly cut shafts hidden beneath the sands. They sit in the triangle between the Great Sphinx, Khufu's Pyramid and Khafre's Pyramid, ...