Originally settled as a mail stop, Las Vegas changed from an Old West vacation town, to a mafia haven, to the "Atomic City" and "Sin City."
The influential musical pioneers from Appalachia whose recordings lifted spirits during the Great Depression.
The life story of Aimee Semple McPherson, religious evangelist instrumental in bringing conservative Protestantism into mainstream culture.
The coal miners' battle for dignity led to the largest armed insurrection since the American Civil War.
The first woman to fly solo across the Atlantic, Earhart disappeared in 1937 during an attempt to circumnavigate the world by airplane.
John Scopes' free speech trial pitted science against religion after the teacher presented Charles Darwin's theory of evolution in a Tennessee school.
In 1967, thousands of hippies flocked to San Francisco's Haight Ashbury district.