The German submarine U-977, a Type VIIC U-boat, became the center of one of World War II’s most intriguing post-war mysteries ...

Early on June 29, 1942, the 8,032-ton British steam tanker HMS Empire Mica cruised east through calm waters toward Key West, Florida, where it planned to join a convoy bound for the United Kingdom.

Germany's U-505 submarine was the 1st warship captured by the US Navy in over a century and top secret during World War II. See photos of the inside.

The U.S. Navy sunk many German U-boat submarines in World War II. But then they captured one, right before the D-Day invasion.

The wreck of a WWI German U-boat sunk by the U.S. Navy in 1922 has been discovered off the East Coast of the United States, about 40 miles off Virginia and at a depth of about 400 feet.

A recent submarine wreckage found off the coast of Argentina has piqued the interests of historians - but led to wild claims it allegedly carried Adolf Hitler from Germany to a secret Nazi ranch ...

The treasures were onboard U-boat 534 when it was sunk by ... a pistol and enigma machines are among items from WWII Nazi U-boat sunk by RAF bomber in ... The interior of one of the submarine's ...

On May 4, 1945 one of the most advanced submarines in the world crept up to a British Royal Navy cruiser. U-2511 was one of Germany’s new Type XXI-class “wonder” submarines, and she was ...

A recent submarine wreckage found off the coast of Argentina has piqued the interests of historians - but led to wild claims it allegedly carried Adolf Hitler from Germany to a secret Nazi ranch ...

The wreck of the German U-Boat U-111 was intentionally sunk by the U.S. Navy in 1923 after it was captured at the end of ... An open hatch on the conning tower of U-111 reveals an interior ladder.