A Polish oil firm working in the Baltic Sea has found the remains of the "Graf Zeppelin," Hitler's first -- and last -- aircraft carrier. The ship sank for good sometime after World War II, but ...

The Graf Zeppelin, model number LZ-127, was similar to, but slightly smaller than, the infamous Hindenburg, LZ-129, which would catch fire and explode at Lakehurst on May 6, 1937.