From the program "TR, the Story of Theodore Roosevelt," 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."
At the height of segregation, an unlikely alliance between a black medical genius and a white surgeon led to a pioneering medical breakthrough.
A civil rights leader in Harlem before entering politics, Powell was one of the most charismatic black leaders of the 20th century.
Harry Truman was responsible for finding America's place at the start of the Cold War. Part of the award-winning Presidents collection.
Martha Ballard was a midwife and mother in Maine following the American Revolution.
Legendary bank robber John Dillinger garnered the admiration of many struggling Americans, but FBI took him down with a message: crime doesn't pay.
Two days in 1967 revealed a nation divided over a war that continues to haunt us.
The unusual life of David Vetter, who lived permanently inside a germ-free environment due to severe combined immunodeficiency.
John Scopes' free speech trial pitted science against religion after the teacher presented Charles Darwin's theory of evolution in a Tennessee school.