Rising more than 700 feet above the raging waters of the Colorado River, Hoover Dam was called one of the greatest engineering works in history. 5,000 working men and their families came to live in the Nevada desert, all in search of a paycheck. The work was extremely dangerous, and done mostly without modern safety precautions.
The historic journey of Apollo 8 captivated the world in 1968 -- a bright spot in a year marked by political assassinations, race riots, and the Vietnam War.
In 1960, Francis Gary Powers' U-2 spy plane was shot down over the Soviet Union.
The tale of oil-seeking mavericks whose risk-taking, sweat and dreams changed an American industry.
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.
After 18 years of struggles, the Golden Gate Bridge opened on May 27, 1937.
Robert Noyce's invention of the microchip launched the world into the Information Age.
The worst epidemic in American history killed over 600,000 Americans during World War I.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.