Who doesn’t fantasize about finding a treasure? Whether it’s buying an $8 painting at a yard sale that turns out to be a Jackson Pollock worth millions, or finding a stack of gold coins in your basement or buried in your back yard, most of us could think of at least one financial problem (or two) that could be resolved with a sudden windfall. Such windfalls do happen, as any fan of Antiques Roadshow can attest. But when it comes to true treasures — objects rich not only of value, but of historic consequence — such discoveries happen much more rarely. In this infographic, we’ve compiled 13 of the world’s most valuable and significant treasures discovered in modern history.