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.

I'm a treasure hunter by trade. I normally hunt shipwrecks of the early colonial period. Back when I was 19, I was with my dad hunting shipwrecks in the Caribbean.

The Nazi conquest of Poland and the subsequent invasion of Norway in April 1940 shifted considerable resources toward more pressing needs, such as coastal defenses and U-Boat production.

The U.S. antisubmarine task force captured the Nazi submarine along with its crew, technology, ... 1944, laying out the settings for every U-boat and Nazi surface ship in their fleet.

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.

A TREASURE HUNTER'S Nazi gold breakthrough saw him unearth a possible location for a sunken German U-boat from new evidence as he revealed he had "cracked the code" in a documentary.

While a German U-boat could stay submerged for only 92 miles at a time, its full traveling range was about 8,000 nautical miles, or more than 9,000 miles. The distance to Buenos Aires from Hamburg is ...

Just two days before D-Day, U.S. Navy Captain Daniel Gallery and his team captured a Nazi submarine in the eastern Atlantic, uncovering a trove of vital intelligence. Charles Lachman, author of ...

The hunt for lost Nazi U-Boats, and the treasures they carried, is on in History Channel’s new series “The Lost U-Boats of WWII” set to premiere Tuesday, February 27 at 10 p.m. Here's how to ...

The German sub U-166 was among a fleet of 23 sent to the Atlantic Ocean in the spring of 1942 on a mission called Operation Drumbeat, the Nazi code name for submarine attacks on Allied shipping ...

The 90-second video touts past U.S. military efforts to defend and protect Greenland during World War II when the U.S. suffered hundreds of casualties after a Nazi U-boat torpedoed and sank the U ...