The unusual life of David Vetter, who lived permanently inside a germ-free environment due to severe combined immunodeficiency.
From a small-town Texas murder emerged a landmark civil rights case that successfully challenged Jim Crow-style discrimination against Mexican Americans.
The staggering death tolls of the Civil War permanently altered the character of the republic and the psyche of the American people.
Television game shows became an instant national phenomenon in 1955, but four years later contestant Charles van Doren admitted they were a scam.
The influential musical pioneers from Appalachia whose recordings lifted spirits during the Great Depression.
Winner, 2010 Peabody Award --- The 1968 My Lai massacre, its subsequent cover-up, and the soldiers who broke ranks to bring the atrocity to light.
With the clock ticking and the city under fire how many could be saved?