Discovery of 300-Year-Old Coins May Prove $17 Billion ‘Richest Wreck in History’ Has Been Found The treasure, discovered by researchers, is thought to be from the Spanish galleon ship San ...

PHOTOS: 132-year-old wreck of ‘one of the safest ships afloat’ discovered in Lake Superior. ... The GLSHS’ research vessel, the David Boyd, found the ship using side-scan sonar.