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The polio crusade was a time when Americans banded together to conquer a terrible disease.
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Walt Whitman offered up his poetry as a perfect reflection of the America he saw.
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The international race to develop biological weapons during the 20th century.
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Alexander Hamilton was a gifted statesman brought down by fatal flaws.
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Great Fever documents the efforts of Major Walter Reed's investigation into yellow fever.
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When the first human egg was fertilized in a lab in 1944, the news spread like wildfire.
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In 1848 James Marshall found gold and unleashed a massive migration from around the world.
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In 1978 over 900 people died in the largest mass murder-suicide in history.
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Annie Oakley won fame and fortune as the little lady from Ohio who never missed a shot.
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Airs Tuesday, May 7, 2013 at 8:00 p.m. ET/PT. Check your local listings.
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Theirs was a rivalry that would draw American and Germany inching closer to war.
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In May of 1942, thousands of American soldiers began the building of the Alaska Highway.
![Change, Not Charity: The Americans with Disabilities Act [ASL]](https://kcet.brightspotcdn.com/dims4/default/8e2ed01/2147483647/strip/true/crop/1920x1080+0+0/resize/1536x864!/format/webp/quality/90/?url=https%3A%2F%2Fimage.pbs.org%2Fvideo-assets%2FbSTdMUw-asset-mezzanine-16x9-dpR1QjL.jpg)
![Change, Not Charity: The Americans with Disabilities Act [Extended Audio Description]](https://kcet.brightspotcdn.com/dims4/default/b22f6db/2147483647/strip/true/crop/1920x1080+0+0/resize/1536x864!/format/webp/quality/90/?url=https%3A%2F%2Fimage.pbs.org%2Fvideo-assets%2FjsVue1H-asset-mezzanine-16x9-Q4EMwL0.jpg)
