Fannie Lou Hamer helped fight for better representation among Mississippi Democrats in 1964. Congressman Adam Clayton Powell of New York City asked for compromise. He didn't know who Fannie Lou Hamer was. Watch "Freedom Summer" on American Experience PBS on June 24, 2014.
The grave truth behind modern forensics was discovered in 1920s New York.
With data compiled from tens of thousands of sex questionnaires, Alfred Kinsey changed America's views about sex with the Kinsey Reports.
A courageous band of civil rights activists called Freedom Riders who in 1961 challenged segregation in the American South.
The black residents of Tulsa relive their community's remarkable rise and tragic decline.
P.T. Barnum -- huckster, con man, promoter, entertainer and founder of "The Greatest Show on Earth".
John Philip Sousa was America's favorite bandmaster.
The unbounded optimism of the Jazz Age and the shocking consequences when reality finally hit on October 29th, 1929.
The bizarre saga of the Symbionese Liberation Army and Patty Hearst's kidnapping and conversion to her captors' cause.