There are thousands of undiscovered sunken treasure ships around the world, lost due to storms, piracy, wars, and accidents. Many of these wrecks are believed to hold vast riches in gold, silver, jewels, and artifacts. Here are some of the most famous undiscovered treasure ships: 1. Flor de la Mar (1511) - Indian Ocean Origin: Portuguese Cargo: Estimated $2.6 billion in gold and treasure Lost: Sank off the coast of Sumatra, Indonesia, during a storm Status: Never found The Flor de la Mar was a massive Portuguese carrack loaded with treasure from the conquest of Malacca. Its location remains a mystery, though many suspect it lies near the Strait of Malacca. 2. Merchant Royal (1641) - English Channel Origin: English Cargo: 100,000 pounds of gold and silver, worth over $1.5 billion today Lost: Sank in a storm off the coast of Cornwall, England Status: Undiscovered Dubbed the "El Dorado of the Seas," this ship was carrying Spanish treasure back to London when it was lost. Treasure hunters continue searching the waters around Cornwall. 3. San Miguel (1715) - Florida, USA Origin: Spanish Cargo: Gold, silver, and emeralds from the New World Lost: Part of the 1715 Treasure Fleet disaster off the coast of Florida Status: Never found The San Miguel was one of the smaller ships of the 1715 Spanish treasure fleet but was heavily loaded with riches. Unlike others in the fleet, its wreck remains undiscovered. 4. São José (1622) - Near Mozambique Origin: Portuguese Cargo: Gold and treasure from India Lost: Sank in a storm near Mozambique Status: Unfound The São José was carrying treasure from Goa when it was lost. Some believe it could be one of the richest wrecks ever found if discovered. 5. The Bonhomme Richard (1779) - North Sea Origin: American (Continental Navy, commanded by John Paul Jones) Cargo: Possible hidden gold or valuables Lost: Sank after battle with HMS Serapis Status: Unfound While primarily a warship, some theories suggest the Bonhomme Richard had treasure or important valuables aboard when it sank. 6. The Leocadia (1800) - Off the Coast of Ecuador Origin: Spanish Cargo: Estimated 3,000,000 pesos worth of gold and silver Lost: Wrecked near Ecuador due to rough seas Status: Unfound This Spanish treasure galleon was carrying an enormous fortune when it sank near Ecuador. Despite some clues, it remains undiscovered. 7. The Lutine (1799) - North Sea, Netherlands Origin: British Cargo: 1.2 million pounds of gold and silver Lost: Sank in a storm near the Netherlands Status: Mostly undiscovered The shipwreck was partially salvaged, but much of its gold and silver remains hidden beneath the North Sea. 8. The Santa Maria (1492) - Caribbean Origin: Spanish (Christopher Columbus' flagship) Cargo: Possibly gold and artifacts from the New World Lost: Ran aground off the coast of Haiti Status: Unconfirmed discovery, but remains debated While it may not be a traditional "treasure ship," the Santa Maria is of extreme historical significance. Some claim to have found it, but evidence remains inconclusive.