Arizona PBS Previews

The National Parks: America's Best Idea

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Filmed over six years at some of nature's most spectacular locales – from Acadia to Yosemite, Yellowstone to the Grand Canyon – witness the story of people from every conceivable background who were willing to devote themselves to saving some precious portion of the land they loved.

Aired: 04/25/16 | Expired: 04/30/16 | Rating: NR

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