Submarines were key for Allied and Axis forces throughout World War II. At the war's onset, Germany's fleet of U-boat submarines created a distinct advantage for the Nazi's Kriegsmarine.According to ...

The age of diesel-powered submarines began in 1912, and these subs dominated the waters for more than 40 years, through both World War I and World War II. In the U.S., this era ended when the last ...

The USS Cobia submarine sank 13 ships and rescued seven downed American pilots during World War II. The US Navy submarine is open to the public for tours at the Wisconsin Maritime Museum in Manitowoc.

From lighthouses to baseball stadiums, globetrotters have no shortage of unique accommodations to choose from while traveling. But history buffs may find one experience particularly intriguing: ...