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 stories of ordinary people in the tumultuous years after the Civil War, when America struggled to rebuild the Union.
A man who symbolized African American equality fought a proponent of Hitler's Aryan racial theories on the eve of World War II.
Silent film actress Mary Pickford played a pivotal role in bringing Hollywood into the center of the motion picture industry.
The little-known story of a black independent film industry that produced nearly 500 feature films for African American audiences.
In 1969, homosexuality was illegal in almost every state... but that was about to change. The Stonewall riots marked a major turning point in the modern gay civil rights movement.
The most daring and innovative accomplishment at the turn of the 20th century.
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.
This funny, probing program re-examines assumptions about American culture in the 1950s.