How much pirate treasure is still underwater?
Rob Goodier tries to find out:
'All this undersea treasure hunting got us wondering: Just how much money is out there buried at sea? We put the question to marine archeologists, a historian, and a shipwreck hunter. Their answers ranged from "Who knows?" to "$60 billion"â??and each was instructive.An estimate of the value of sunken treasure in the world begins with a guess at the number of sunken ships. James Delgado, director of the Maritime Heritage Program at the National Oceanic and Atmospheric Administration (NOAA), estimates that there are a million shipwrecks underwater now.
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