New scans of the Pyramid of Menkaure at Giza have revealed two hidden chambers tucked behind its eastern face, air-filled voids that appear to trace the line of a long-suspected secondary entrance.

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, ...