The Vasa's timbers were brought to the surface -- the ship, housed in a maritime museum in Stockholm, is now one of Sweden's star attractions.
But in the Kronan's case, the blast was so powerful that pieces of the ship were scattered over a wide area of seabed. Fishing nets, minesweeping and the forces of the sea have added to the dispersal.
Around 80 percent of the estimated site has been explored, revealing a trove of treasure and historical artefacts.
Around 30,000 items have been brought to the surface so far, including bronze cannon, chests, dishes, navigational instruments and a German-made trumpet, as well as diamonds and gold coins.
Divers have also found flour, animal bones, liquor and wine - items that are a potential bonanza for historians eager for insights into how food was made centuries ago.
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The cheese survived thanks to the chill and low salinity of the Baltic and the fact that it lay under a thick layer of sediment, which protected the pot from corrosion.
In 2010, divers recovered 145 bottles of vintage Champagne from the wreck of a ship that sank off the Finnish archipelago of Aland between 1825 and 1830.