Watch National Parks Exploration Series: Yellowstone (2011)
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National Parks Exploration Series: Yellowstone
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.
★ 0.0 0 min 2011-12-01
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