After 18 years of struggles, the Golden Gate Bridge opened on May 27, 1937.
The Alaskan Highway stands today as one of the boldest homeland security initiatives ever undertaken.
Politics, culture, race relations, and technology in a year of change.
When two passenger ships collide off Nantucket in 1909, 1,500 people rely on 26-year-old Jack Binns to operate a new technology - wireless telegraphy - to save them all.
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.
The remarkable story of how a railroad was built connecting California to the East.
Equipment failure, human error and bad luck led to the country's worst nuclear accident in 1979.
While the U.N. debated strategies for control of atomic energy, the U.S. Navy was preparing for nuclear tests on Bikini Island.