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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.
National Parks Exploration Series: Great Smoky Mountains
National Parks Exploration Series: The Black Hills and The Badlands - Gateway to the West
National Park Symphony: The Mighty Five
National Parks Exploration Series: The Everglades
Great natural monuments - Grand Canyon
Scenic National Parks: Glacier Banff Jasper
Gates of the Arctic
Becoming Acadia
Dartmouth, River Dart and Dartmoor
North America's National Parks
Saved by the Lioness
Your Friend, Ranger Doug
Yellowstone: The Mystery of the Wolves
America's National Parks: An Eagle's View
National Parks Exploration Series: Acadia - The First National Park East of the Mississippi
Big Bend: The Wild Frontier of Texas
Yosemite: America's Treasure
Rise of the Warrior Apes
