It would be the "Biggest Thing on Earth," the salvation of the common man, a dam and irrigation project that would make the desert bloom, a source of cheap power that would boost an entire region of the country. Of the many public works projects of the New Deal, Grand Coulee Dam loomed largest in America's imagination during the darkest days of the Depression. It promised to fulfill President Franklin Roosevelt's vision for a "planned promised land" where hard-working farm families would finally be free from the drought and dislocation caused by the elements.
Originally settled as a mail stop, Las Vegas changed from an Old West vacation town, to a mafia haven, to the "Atomic City" and "Sin City."
George Eastman introduced the Kodak and Brownie camera systems and transformed photography into something anybody could do.
Schools taught Native Americans to imitate white men in a liberal "civilizing" mission in 1875.
The epic battle waged over dinosaur fossils by rival paleontologists in the American West.
William "Buffalo Bill" Cody's legendary exploits helped create the myth of the American West that still endures today.
Engineer James Eads tamed the mighty Mississippi, turning New Orleans into the second largest port in the nation.
The story behind the development of the oral contraceptive that put women in control of birth control.
At the height of segregation, an unlikely alliance between a black medical genius and a white surgeon led to a pioneering medical breakthrough.