The majority of WWI submarines no longer exist, as many were sunk or sold for scrap. This isn't an unusual practice for the world's navies, but some boats remain and can be visited in museums.

While the U 19 submarines had plenty of success, they weren't the only type Germany sailed during the conflict. Germany built 329 U-boats of different types, which Imperial Germany and its allies ...

The submarines shown were surrendered by Germany at the end of the war and sank off the coast of Cornwall. The images from 1921 have been donated to Historic England. More on the stranded ...

While the Hunley and the Alligator are the best known of the Civil War submarines, the most numerous were technically semi-submersibles. It was a Charleston physician, St. Julien Ravenel, who came ...

Solved: Mystery of missing WW1 German submarines uncovered after explorers find remains of 41 U-boats off UK coast. Vessels discovered near south and east coasts ...

U-155, a Type U-151 U-boat, in London after World War I. Dutch Nationaal Archief Cruiser submarines trace their origin to two models of the Imperial German Navy during World War I: the Type 151 ...