The 1968 Democratic National Convention saw a clash of political visions on the convention floor and violence outside on the streets of Chicago.
Originally settled as a mail stop, Las Vegas changed from an Old West vacation town, to a mafia haven, to the "Atomic City" and "Sin City."
The influential musical pioneers from Appalachia whose recordings lifted spirits during the Great Depression.
Before World War II, young Chinese Americans defied cultural tradition in San Francisco's Chinatown, previously closed to outsiders.
Thoroughbred racehorse Seabiscuit was the long shot that captured America's heart during the Depression.
From a small-town Texas murder emerged a landmark civil rights case that successfully challenged Jim Crow-style discrimination against Mexican Americans.