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 decisions made by leaders and the escalation of bloodletting that finally ended World War II.
Politics, culture, race relations, and technology in a year of change.
A brilliant scientist, Oppenheimer was tasked with the development of the atomic bomb during World War II.
In September 1959, Soviet Premier Nikita Khrushchev made an unprecedented visit to America, creating a media circus as he traveled from coast to coast.
How do you manage weapons of mass destruction without being destroyed by them?
An unprecedented look at the life and legacy of one of America's most enduring and influential storytellers.
Newspaper magnate William Randolph Hearst fought to suppress a film by Orson Welles, a film that would become one of cinema's masterpieces.
Winner, 2010 Peabody Award --- The 1968 My Lai massacre, its subsequent cover-up, and the soldiers who broke ranks to bring the atrocity to light.