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.
Follow seven former Amish who choose their freedom over their family
American prisoners of war in North Vietnam tell of their experiences at the Hanoi Hilton and other notorious prisons.
The country's oldest beauty contest has become a battleground and a barometer for the position of women in society.
An updated look at the Alabama tenant farmer families that Walker Evans and James Agee documented in their 1936 Pulitzer Prize-winning book.
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.
Franklin Roosevelt restored hope after the Great Depression and led the nation during World War II. Part of the award-winning Presidents collection.
The story of a Vietnamese mother, the Amerasian daughter she sent away for adoption, and their reunion 22 years after the Vietnam War.
A man who symbolized African American equality fought a proponent of Hitler's Aryan racial theories on the eve of World War II.