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 Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.
The internationally famous carnival of delights in New York was the birthplace of the hot dog and the roller coaster.
Equipment failure, human error and bad luck led to the country's worst nuclear accident in 1979.
The remarkable story of mid-19th century ingenuity and perseverance during the laying of the transatlantic telegraph cable between North America and Europe.
The remarkable story of how a railroad was built connecting California to the East.
William "Buffalo Bill" Cody's legendary exploits helped create the myth of the American West that still endures today.
The Pennsylvania Railroad Company accomplished an enormous engineering feat, but destroyed a great architectural monument.
After 18 years of struggles, the Golden Gate Bridge opened on May 27, 1937.