A legacy tarnished by history. A resting place lost for millennia. Nat Geo Explorer drkathleenmartinez has spent 20 years uncovering the secret history of Queen Cleopatra, and why Egypt’s last pharaoh wanted her tomb hidden. With the help of Titanic discoverer and fellow Nat Geo Explorer Bob Ballard, the Egyptian Navy, and a team of archaeologists and divers, she hopes to finally uncover the tomb of the world's first celebrity. Join the search in #CleopatrasFinalSecret, premiering Thursday, September 25 at 10/9c on National Geographic. Streaming on DisneyPlus and hulu.