The link below is to an article (with photos) concerning the S.S. Gairsoppa, which was sunk by a Nazi U-boat in 1941. The wreck is deeper than the Titanic and salvage work has been removing its precious cargo.
For more visit:
http://news.nationalgeographic.com/news/2012/07/pictures/120726-silver-gairsoppa-world-war-ii-shipwreck-science-odyssey/
History for Today 