From the program "Panama Canal," an animation of the locks system of the Panama Canal demonstrates how a ship would travel across the Panamanian Isthmus. This "lake and lock" canal was favored by Roosevelt, who Chief Engineer George Goethals called "the real builder of the Panama Canal."
A marvel of engineering, architecture, and vision, the story of the Beaux Arts structure on 42nd street that forever changed midtown Manhattan.
John Scopes' free speech trial pitted science against religion after the teacher presented Charles Darwin's theory of evolution in a Tennessee school.
The true story behind the most romanticized, infamous outlaw couple in U.S. history and their gang.
The U.S. and the Soviet Union race to build the hydrogen bomb during the Cold War, thus beginning the nuclear arms race.
Vivid memories of those trapped in the terrifying temblor of 1906 that killed thousands of Californians.
The inspiring story of the modern environmental movement.
Accused by a janitor, a respected Harvard professor was hanged for the murder of Dr. George Parkman, one of Boston's richest citizens, in 1849.
The epic battle waged over dinosaur fossils by rival paleontologists in the American West.