From Rockefeller Center, the Empire State Buiding and Grand Central Terminal, to the carvings on Mount Rushmore, the Golden Gate Bridge, Hoover Dam, and Grand Coulee Dam, 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?
Robert Noyce's invention of the microchip launched the world into the Information Age.
After 18 years of struggles, the Golden Gate Bridge opened on May 27, 1937.
Today one of the most-recognized figures in American literary history, poet Walt Whitman was denounced by critics in his own time.
The worldwide migration by eager gold-seekers turned California into a land of opportunity and fierce competition.
Before radar had been invented a devastating hurricane hit America, surprising residents of the East Coast and killing more than 600 people.
The Klondike Gold Rush in Canada's Yukon Territory saw 100,000 people make the treacherous journey in search of riches.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
The remarkable story of mid-19th century ingenuity and perseverance during the laying of the transatlantic telegraph cable between North America and Europe.