From Cleopatra to King Tut, join National Geographic in this Lost Treasures of Egypt mega episode to uncover the secrets of the lost tombs of one of the most mysterious ancient civilizations. Featuring Full Episodes: Secrets of the Mummy Tombs Archaeologists attempt to decode ancient Egyptian beliefs in the afterlife. Hidden tombs and a sealed sarcophagus give up their secrets. Secrets of the Mega Tombs Archaeologists explore a series of spectacular mega tombs to reconstruct the story of a