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.
The evocative stories of teenage hoboes crisscrossing America on trains during the Great Depression.
The staggering death tolls of the Civil War permanently altered the character of the republic and the psyche of the American people.
Her 1963 warnings about the effects of pesticides and herbicides sparked a revolution in environmental policy.
A historic effort to shatter the foundations of white supremacy in what was one of the nation’s most viciously racist, segregated states.
The internationally famous carnival of delights in New York was the birthplace of the hot dog and the roller coaster.
John Scopes' free speech trial pitted science against religion after the teacher presented Charles Darwin's theory of evolution in a Tennessee school.
The contradictory history of a dam that became a statement of American power and prestige.
For the first time on television, God in America will explore the historical role of religion in the public life of the United States.