Unearthed: Season 7, Episode 3

7 - 3: Secrets of the Black Pyramid

Egypt's Black Pyramid at Dahshur is the strange, crumbling pyramid that collapsed before its pharaoh, Amenemhet III, was ever buried here, and today, it's largely unexplored; special access to a hi-tech archaeological investigation reveals what went so catastrophically wrong. Also explored is the Hawara Pyramid, where Amenemhet III was buried.