Somewhere at the bottom of the sea in Southeast Asia sits a 2.6 billion dollar mystery: a colossal Portuguese ship that survived mutinies, leaks, and epic battles for nearly a decade before vanishing in a 1511 storm, taking an empire's worth of treasure with it.

This deep dive follows the Flor de la Mar, or Flower of the Sea, a ship so heavy it constantly broke down yet was used to conquer cities. We trace how a fundamentally flawed vessel reshaped global trade, forged an empire, and became the most sought-after shipwreck on the planet, while colliding repeatedly with the unforgiving laws of physics.

• Why her towering castles and cavernous hull created an inverted pendulum effect that sprang catastrophic leaks in the Mozambique Channel
• The 10-month entrapment at Mozambique Island and how she was hijacked into a military ar ...