Gallery (4)
Photo © National Geographic Channel
![Hitler's Secret Attack On America - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/049/265/49265409_3aa3ba.jpg)
Photo © National Geographic Channel
![Hitler's Secret Attack On America - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/049/265/49265410_25f2e6.jpg)
Photo © National Geographic Channel
![Hitler's Secret Attack On America - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/049/265/49265411_53a85e.jpg)
Photo © National Geographic Channel
![Hitler's Secret Attack On America - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/049/265/49265412_4ee0b1.jpg)
Photo © National Geographic Channel
Photo © National Geographic Channel
Photo © National Geographic Channel
Photo © National Geographic Channel