The first around-the-world air race was sponsored to prove that the airplane had a commercial future. Four pilots took off from Seattle and two returned 175 days later.
While the U.N. debated strategies for control of atomic energy, the U.S. Navy was preparing for nuclear tests on Bikini Island.
George Eastman introduced the Kodak and Brownie camera systems and transformed photography into something anybody could do.
Robert Moses fueled some of the most ambitious -- and controversial -- public works projects ever conceived.
Major Walter Reed's discovery in 1900 that mosquitoes spread yellow fever halted an outbreak and led to the disease's eventual eradication.
The international race to develop biological weapons during the 20th century.
Engineered by William Barclay Parsons, the 21-mile, four-track route of the New York City Subway was the largest public works project in history.
The remarkable story of mid-19th century ingenuity and perseverance during the laying of the transatlantic telegraph cable between North America and Europe.
The dramatic story of the nation's first subway