The American Civil War was the first major conflict that was photographed extensively, bringing shocking and often horrific images to the front pages and into people's living rooms. Photography was extremely popular in the US at the time, and many photographers did not hold back from snapping even the most graphic of post-battle images to illustrate the horrors of war. Original captions were often scrawled below or on the backs of photos - you can read a few here in quotes.
Several of the images in this gallery are graphic in nature and may be disturbing.
A daunting story of shipwreck, starvation, mutiny and cannibalism amongst a group left abandoned in the high Arctic.
The story of the polio crusade pays tribute to a time when Americans banded together to conquer a terrible disease.
His stunning triumph at the 1936 Olympic Games captivated the world even as it infuriated the Nazis. Premiering May 1.
An American Communist family that had fled to Moscow in the late 1920s, return to America in 1935 but can not bring their 5-year-old son.
The U.S. government's response to the Holocaust was slow and fueled by complex social and political factors.
Joseph Goebbels, the second most powerful man in Nazi Germany, was the mastermind behind Adolf Hitler's success.
A star in baseball's golden age, Joe DiMaggio's celebrity status and tumultuous marriage to Marilyn Monroe brought him pain.
A look at five real-life "Rosies," the reality of working in defense plants during World War II and then having to give up those jobs for returning GIs.