In the search for Cleopatra's tomb, the discovery of an ancient port could bring Nat Geo Explorer Kathleen Martinez and Nat Geo Explorer at Large Bob Ballard one step closer to solving the mystery. #CleopatrasFinalSecret is now streaming on @disneyplus and @hulu. Explore the World with National Geographic subscriptions: https://natgeo.com/ytngmagazine ➡ Subscribe: https://on.natgeo.com/4p5A0D6 ➡ Get more Nat Geo Full Episodes: https://on.natgeo.com/3V5ZfHI ➡ Get wild with Nat Geo Animals Full