Where was Cleopatra buried? In this National Geographic documentary special, lawyer-turned-archaeologist Kathleen Martinez searches for Cleopatra’s lost tomb. After over 20 years of searching, her excavations now lead in an unexpected new direction, a submerged site miles offshore in the Mediterranean. She has enlisted Titanic discoverer Bob Ballard, the Egyptian Navy, and a team of archaeologists and divers to help her explore this mysterious location that may finally answer over a thousand year old secrets. Cleopatra's Final Secret (Full Episode) Documentary Special | National Geographic | 1:06:19 National Geographic | 26.5M subscribers | 717,495 views | September 24, 2026