Some wrecks, lost to natural obstacles to navigation, are at risk of being smashed by subsequent wrecks sunk by the same hazard, or are deliberately destroyed because they present a hazard to navigation. Even in deep water, commercial activities such as pipe-laying ...
Steel and iron, depending on their thickness, may retain the ship's structure for decades. As corrosion takes place, sometimes helped by tides and weather, the structure collapses. Thick ferrous objects such as cannons, steam boilers or the pressure vessel of a submarine often survive well underwater in spite of corrosion.
May 13, 2016 ... From Great Britain to Palau, the Baltic to the Red seas and Truk Lagoon — wherever you find wrecks, you'll find scuba divers. Here are some of our favorites!
May 30, 2017 ... Divers share their most mesmerising shots of the lost ships and aircraft that rest on the ocean floor.
See photos of shipwrecks from National Geographic.
The group had been investigating the effects of sea-level change on early human societies, but after their underwater cameras probed the depths of the Black Sea they quickly saw why the Greeks nicknamed it the “Hostile Sea.” In its deep, dark waters, ancient shipwrecks are scattered across the seafloor.
Apr 23, 2013 ... ... can explore their sunken vessels, which have been essentially frozen in time. The United Nations estimates that there are over three million shipwrecks on the ocean floors. Lost, destroyed, or deliberately sunk, these wrecks are of interest to divers, underwater archaeologists, and treasure hunters alike.
Dec 18, 2015 ... The 1985 discovery of the RMS Titanic marked the end of one of the most famous hunts in underwater archeology, but many other historically significant shipwrecks continue to elude scientists and salvage teams. From Christopher Columbus' flagship to one of the most legendary commerce raiders of the ...