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 influential musical pioneers from Appalachia whose recordings lifted spirits during the Great Depression.
A sensational story of power, class, and revenge in New York City when Harry Thaw murdered Stanford White over showgirl Evelyn Nesbit.
The 300-year saga of the American whaling industry.
The most daring and innovative accomplishment at the turn of the 20th century.
Head of the most powerful family in America, billionaire John D. Rockefeller's vast philanthropy changed his family's reputation.
The evocative stories of teenage hoboes crisscrossing America on trains during the Great Depression.
Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.
A great playwright's turbulent story, from childhood through the years of his Nobel Prize-winning career to his lonely, painful death.