Major Walter Reed's discovery in 1900 that mosquitoes spread yellow fever halted an outbreak and led to the disease's eventual eradication.
A marvel of engineering, architecture, and vision, the story of the Beaux Arts structure on 42nd street that forever changed midtown Manhattan.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
A brilliant scientist, Oppenheimer was tasked with the development of the atomic bomb during World War II.
Engineer James Eads tamed the mighty Mississippi, turning New Orleans into the second largest port in the nation.
Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.
The most daring and innovative accomplishment at the turn of the 20th century.
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.