I've always been fascinated by WWII German propaganda.
Here's a frightening collection of Goebbels' speaches (one as late into the war as April 1945)



Also, there is this massive site with free WWII photographs . Courtesy of the Simon Wiesenthal Center

Japanese prisoner camp: When liberators reached camps in the jungles of Southeast Asia, they were horrified by what they found. Some captives had lost over 100 pounds, and almost all suffered from crippling diseases.