A U.S. Government film on the effects of botulism toxin on Rhesus monkeys.
A uniquely impressionistic history of the early years of the Space Race.
A look at five real-life "Rosies," the reality of working in defense plants during World War II and then having to give up those jobs for returning GIs.
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.
Major Walter Reed's discovery in 1900 that mosquitoes spread yellow fever halted an outbreak and led to the disease's eventual eradication.
From the Revolutionary War to Operation Desert Storm - newly discovered letters read by celebrity actors tell of courage, longing, and sacrifice.
During the Great Depression, Americans built the Hoover Dam, one of the greatest engineering works in history.
The most daring and innovative accomplishment at the turn of the 20th century.
On June 6, 1944, Allied troops invaded Normandy, fighting to free Europe from Nazi occupation and end World War II.