There was a British propaganda film (The Lambeth Walk) produced in 1942 which edited footage of Nazi marches into an apparent dance to a popular tune. The film enraged Joseph Goebbels so much that he was reported to have stormed out of his screening room kicking chairs and yelling profanities.
Before the Holocaust, the Nazis strongly considered a plan to move the entire Jewish population of Europe to Madagascar.
The Nazis were responsible for a European raccoon population explosion.
During WWII, a Jewish gynecologist performed secret abortions at Auschwitz to save pregnant women from being tortured and killed. She used only her hands.
Nazi Germany led the first public anti-smoking campaign.
Oskar Schindler paid millions, everything he possessed, to save his Jewish workers he died penniless.
Allan Dulles helped the Nazis, ran the CIA, was fired by JFK, and then sat on the Warren Commission.
There is a 32 km² desert in Poland and the Germans used it to train before deployment in Africa during WW2.