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.
The U.S. government's response to the Holocaust was slow and fueled by complex social and political factors.
The shocking story of Richard Leopold and Nathan Loeb, two wealthy college students who murdered a 14-year-old boy in 1924.
From Joseph Smith's discovery of gold tablets to persecution, migration, and settlement in Utah, the film explores the history of the most American of religions.
Ten years after American troops arrived in South Vietnam, communists seized Saigon in an attack that brought the war to a startling conclusion.
The thrilling true story of the American Olympic rowing team that triumphed against all odds in Nazi Germany in 1936.
Before World War II, young Chinese Americans defied cultural tradition in San Francisco's Chinatown, previously closed to outsiders.
In the early 1830s, Texas, ruled by Mexico, held 20,000 U.S. settlers and 4,000 Mexican Tejanos, forcing residents to pick sides.
The influential musical pioneers from Appalachia whose recordings lifted spirits during the Great Depression.