Watch Secrets of the Third Reich

Mystery and intrigue continue to swirl around Hitler€™s right-hand man, Rudolf Hess, more than a quarter of a century after his death. Why did he abandon the Reich at the height of its power? How immersed was he into alternative medicine and was his death truly a suicide? We reexamine the life of the Deputy F¼hrer and follow his delusional and dangerous €œmission of humanity€ that helped turn the tide of World War II.

The mountains of southern Germany hold one of the 'Secrets of the Third Reich,' and perhaps millions in lost Nazi treasure. It was here, at the tail end of World War II, that Heinrich Himmler planned an Alpine Fortress for a hardcore group of Hitler€™s elite army. The plan never happened, but what about the hundreds of millions of dollars in government and private funds that made their way to the Alps from Berlin? We examine the myth of €œAlpenfestung,€ which has fascinated historians and treasure hunters alike for many decades.

Rare footage and interviews with U-boat vets help unwind the story of the German submarine lost for 68 years after it was hit by a U.S. bomb.

New evidence sheds light on Hitler's drug abuse and mental illness, and raises questions about the controversial doctor he entrusted with his life.

Trace the rise and fall of one of the war's most intriguing figures: Erwin Rommel, who transformed from Hitler's greatest asset into his mortal enemy.