3. Jewels of Lima
If it’s jewels, you can probably imagine it will be worth a lot. These lost jewels are valued at about $1 billion and contain pretty much every gem you can think of. It even had a seven-foot statue in solid gold of Mary holding baby Jesus. Naturally, it was adorned with 1684 jewels. And that was just one of the items that were lost. It has a typical pirate’s treasure story attached to it, too: when Argentina threatened Lima, the British sought to leave with all the loot but were sunnk by a Spanish warship, leaving the treasure lost forever.