Meet the genius engineer and inventor whose technology helped create our wireless world.
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 most daring and innovative accomplishment at the turn of the 20th century.
Major Walter Reed's discovery in 1900 that mosquitoes spread yellow fever halted an outbreak and led to the disease's eventual eradication.
A gripping tale of medical intervention gone awry, and one of the most barbaric mistakes of modern medicine.
Begun during the Civil War, the transcontinental railroad employed 20,000 men, mostly immigrants, who built the iron road with their bare hands.
The story of the polio crusade pays tribute to a time when Americans banded together to conquer a terrible disease.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.