Dinosaur bones have been discovered all over the United States. Explore some of America's most exciting dig sites on this interactive map.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
A biography of the last outlaws of the American Wild West
The remarkable story of how a railroad was built connecting California to the East.
Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.
Her 1963 warnings about the effects of pesticides and herbicides sparked a revolution in environmental policy.
Vivid memories of those trapped in the terrifying temblor of 1906 that killed thousands of Californians.
The New Deal program CCC put three million young men to work in camps across America.
The Last Stand, the final act of General George Custer's larger-than-life career, played out on a grand stage with a spellbound public engrossed in the drama. Part of the Wild West collection.