Photo: A photo of Yellowstone to celebrate 100 years of national parks

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Yellowstone

credit: Alpy_TTT/flickr

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The National Park Service is celebrating its centennial, and we couldn't be more grateful for the agency's work to preserve "unimpaired the natural and cultural resources and values" of America's national parks. To celebrate, a photo of the always stunning Yellowstone Park, the first national park in the country. Happy birthday!

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