On March 1, 1872 President Ulysses S. Grant signed into existence the world's first national park, Yellowstone National Park. The 2.2 million acres of wilderness is the only complete mid-latitude ecosystem left on the planet.
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Grizzly Man
2005-Jul-28
National Parks Exploration Series: Great Smoky Mountains
2011-Dec-01
National Parks Exploration Series: The Black Hills and The Badlands - Gateway to the West