The Italian luxury liner Andrea Doria, her unused lifeboats breaking away from their davits, rolls over and sinks 45 miles south of Nantucket, Mass., in this July 26, 1956 file photo. The passengers and crew were rescued after the ship collided with the Swedish-American liner Stockholm July 25. The Andrea Doria has been a beacon for treasure hunters and adventure seekers almost since the day it sank 50 years ago. Decades later, the grand ship still offers the lure of history, artifacts and danger.
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