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 grave truth behind modern forensics was discovered in 1920s New York.
Postwar New York City and the global economic order told through the story of the World Trade Center.
The life story of Aimee Semple McPherson, religious evangelist instrumental in bringing conservative Protestantism into mainstream culture.
The country's oldest beauty contest has become a battleground and a barometer for the position of women in society.
Newspaper magnate William Randolph Hearst fought to suppress a film by Orson Welles, a film that would become one of cinema's masterpieces.
Explore how Orson Welles' genius use of the new medium of radio struck fear into an already anxious nation.
Head of the most powerful family in America, billionaire John D. Rockefeller's vast philanthropy changed his family's reputation.
A year in the life of Wyoming cowboys and the ranching families of the American West.