Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
During World War II, more than a thousand women signed up to fly with the U.S. military as WASPS.
Major Walter Reed's discovery in 1900 that mosquitoes spread yellow fever halted an outbreak and led to the disease's eventual eradication.
Cuba's Communist leader defied the odds, surviving his Soviet benefactors, the wrath of U.S. presidents, two diplomatic crises and assassination attempts.
Richard Sears and Alva Curtis Roebuck brought consumer goods to the hands of every American with their Sears and Roebuck catalogue.
The most daring and innovative accomplishment at the turn of the 20th century.
Mathematician and paranoid schizophrenic John Nash's work became a foundation of modern economic theory.