Though first seen only as an expensive luxury, Alexander Graham Bell's telephone soon transformed American life and became a necessity.
In 1960, Francis Gary Powers' U-2 spy plane was shot down over the Soviet Union.
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.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
The worst epidemic in American history killed over 600,000 Americans during World War I.
Engineer James Eads tamed the mighty Mississippi, turning New Orleans into the second largest port in the nation.
The tale of oil-seeking mavericks whose risk-taking, sweat and dreams changed an American industry.
The Pennsylvania Railroad Company accomplished an enormous engineering feat, but destroyed a great architectural monument.