It is one of Egypt's enduring mysteries. What happened to Nefertiti and her husband, Akhenaten - the radical king, and likely father of King Tut? In a dark and mysterious tomb located in the Valley of the Kings, there is a small chamber with two mummies without sarcophagi or wrappings. At times, both have been identified as Queen Nefertiti by scholars, filmmakers and historians. But the evidence has been circumstantial at best.