On April 22, 1970, more than 20 million Americans gathered on college campuses and in city squares to celebrate the first Earth Day. Some came to spread the word, others came to learn, but all were a part of the largest organized demonstration in American history. See these snapshots of events around the country.
Between 1854 and 1929 more than 100,000 abused or orphaned children were sent by train to the Midwest to begin new lives in foster families.
Silent film actress Mary Pickford played a pivotal role in bringing Hollywood into the center of the motion picture industry.
Roman Catholic priest Father Charles Coughlin used the power of radio to rail against the nation's economic system in the Depression.
The story behind the development of the oral contraceptive that put women in control of birth control.
John Philip Sousa was America's favorite bandmaster.
America came apart in 1964 and has since been reborn.
An updated look at the Alabama tenant farmer families that Walker Evans and James Agee documented in their 1936 Pulitzer Prize-winning book.
The evocative stories of teenage hoboes crisscrossing America on trains during the Great Depression.