Lost Treasures of Rome S01E02 - Rome's Sunken Secrets

How did Rome rise to dominate so much of the ancient world? Off the coast of Sicily, investigators discover traces of a crucial naval battle. They haul a long-lost battleship relic to the surface using divers, an underwater robot, and a crane. In Terracina, south of Rome, archaeologists dig inside an ancient mountaintop temple. In Carthage, Tunisia, clues reveal how one deadly rivalry tilted the scales of power in favor of Rome.