From the Gateway Arch, Rockefeller Center, the Sears Tower, and the Empire State Buiding to the carvings on Mount Rushmore, the Golden Gate Bridge, the Space Needle and Grand Central Terminal, the U.S. has dozens of impressive, important, and iconic structures. Which ones have you been to? Which has had the biggest impact on its local community and on the country? Which one is your favorite?
Politics, culture, race relations, and technology in a year of change.
They were the first to brave the unknown.
At the height of segregation, an unlikely alliance between a black medical genius and a white surgeon led to a pioneering medical breakthrough.
A Utah farm boy builds a prototype for a television, but is thwarted by movie studio executives wanting to control the technology.
In 1960, Francis Gary Powers' U-2 spy plane was shot down over the Soviet Union.
During the Great Depression, Americans built the Hoover Dam, one of the greatest engineering works in history.
William "Buffalo Bill" Cody's legendary exploits helped create the myth of the American West that still endures today.
Robert Noyce's invention of the microchip launched the world into the Information Age.