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.
This film follows the 65 "British soldiers" and 67 "American rebels" who reenact the 1775 Battle of Lexington and Concord.
Ten years after American troops arrived in South Vietnam, communists seized Saigon in an attack that brought the war to a startling conclusion.
Prohibition's effect on Detroit, Michigan, the first major American city to "go dry," and the growth of the liquor smuggling industry.
A revealing portrait of one of America's most paradoxical leaders.
The story of the polio crusade pays tribute to a time when Americans banded together to conquer a terrible disease.
After the Soviet blockade of West Berlin, British and American pilots delivered tons of food and fuel to the German city by airplane for nearly a year.
William "Buffalo Bill" Cody's legendary exploits helped create the myth of the American West that still endures today.
French settlers in Louisiana merged with African Americans, Afro-Caribbeans and others to create Cajun and Zydeco musical traditions.