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One of the best-known and most influential religious leaders of the 20th century.

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One of the best-known and most influential religious leaders of the 20th century.

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Explore the life and times of L. Frank Baum, creator of the beloved The Wonderful Wizard o

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Airs Monday, May 16, 2011 at 9:00 p.m. ET/PT Check your local listings.

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An introduction to the 40 student freedom riders.

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Shattering the foundations of white supremacy in a segregated state. June 24 on PBS.

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Shattering the foundations of white supremacy. Freedom Summer premieres on June 24, 2014.

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'The Poison Squad' tells the story of government chemist Dr. Harvey Wiley.

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The rise and fall of Sen. Joseph McCarthy, who led a Cold War crusade against Communists.

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the rise and fall of Joseph McCarthy, who led a Cold War crusade against Communists.

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Watch Chapter 1 of Jubilee Singers.

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Former slaves who battled prejudice & oppression to sing their way into a nation’s heart.