Treasure fleets. Naval battles. Billions in gold and silver sitting at the bottom of the ocean.

This week, Jamie and Leo set sail into one of the most legendary maritime mysteries in history, the story of the Spanish galleon San José.

In 1708, during the War of the Spanish Succession, a heavily loaded Spanish treasure galleon left the Americas carrying enormous wealth from the New World. But off the coast of present-day Colombia, the ship encountered British warships, and the battle that followed sent the San José and its unimaginable cargo to the bottom of the Caribbean.

For more than 300 years, the wreck remained lost...

Then modern explorers finally located what may be the richest shipwreck in history, sparking international disputes, treasure hunting controversies, and a new wave of deep-sea archaeology.

How much ...