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.

You can see the entire boat and look inside via cutouts. A few parts from other WWI U-boats still exist, and they're spread all over the world's many maritime museums.

As World War I raged in 1914, Germany secured key Belgian ports, using them as U-boat bases to threaten British waters. The Royal Navy faced relentless attacks and by 1917, desperately sought a ...

The U.S. Coast Guard intercepted dozens of migrants on Tuesday who were crammed inside a "makeshift" boat near Puerto Rico making a treacherous journey to the U.S. The rickety, 30-foot-long, white ...

The U-853, which lies 121 feet deep and 8 miles east of Block Island, was one of many German U-boats that brought a mostly faraway war to the coastal United States.

The three boats still inside - U-2505, U-3004 and U-3506 - were once the most modern in the world when they arrived at the submarine pen to undergo final works before heading to the Caribbean.

The U-boats contained a trove of valuable intelligence information, including the holy grail of Nazi Germany's secrets: the Enigma machine, the device used to encode secret military communications.

U.S. Navy personnel carry out their duties in temperatures of minus-40 degrees Fahrenheit after the fast-attack submarine USS Hampton surfaced in the Beaufort Sea, a marginal sea of the Arctic ...

Nazi Germany U-boats once prowled the oceans, but today, nearly a century after the end of World War II, several of the submarines lie at the bottom of the Black Sea. How the U-boats reached the ...

Wolfgang Petersen, Director of ‘Das Boot,’ Is Dead at 81 He made it big in Hollywood, but he’s best remembered for a harrowing, Oscar-nominated German film set inside a U-boat in World War II.

See inside the U-boat, now a permanent exhibit at Chicago's Griffin Museum of Science and Industry. Submarine warfare played a pivotal role in the Battle of the Atlantic as German U-boats targeted ...

One of the deadliest military machines of World War II was the infamous German U-boat. While most people know a little about U-boats and are more than aware that they're submarines, one thing that ...