http://en.wikipedia.org/wiki/Ernst_Z%C3%BCndel#Nazi_UFOs-Antarctica

Interesting set of beliefs from Enrst Zundel's wikipedia page:

Nazi UFOs-Antarctica

When Zündel started Samisdat Publishers in the 1970s, he initially catered to the UFOlogy community, which was then at its peak of public acceptance. His main offerings were his own books claiming that flying saucers were Nazi secret weapons launched from an underground base in Antarctica, from which the Nazis hoped to conquer the world.^[17]

Under the pseudonyms 'Christof Friedrich' and 'Mattern Friedrich', he also wrote several publications promoting the idea that UFOs were really secret weapons of the Nazis who had fled toNeu-Schwabenland in Antarctica ('Secret Nazi Polar Expeditions' [1978] and 'Hitler at the South Pole' [1979]). He promoted the idea of Nazi secret bases in Antarctica, Nazi UFOs, secret polar bases and Hollow Earth theories.

Along with publishing Willibald Mattern, a German émigré living in Santiago de Chile, books on Nazi UFO in its original German and translated into English, with Willibald Mattern, wrote 'UFOs: Nazi Secret Weapon?'.

The UFOs supposedly monitor humanity, and are part of a secret plan to re-conquer the world at an unspecified time. Whether he actually believed these notions or it was just a publicity stunt cannot be ascertained.^{[18][19][20][21][22][23][24]}