The story of an idea as uniquely American as the Declaration of Independence and just as radical: that the most special places in the nation should be preserved, not for royalty or the rich, but for everyone. Now streaming.

Filmed over the course of more than six years at some of nature's most spectacular locales, the film is a story of people from every conceivable background—rich and poor, soldiers and scientists, natives and newcomers—who were willing to devote themselves to saving some precious portion of the land they loved and in doing so reminded their fellow citizens of the full meaning of democracy.