1. First National Park Yellowstone was established as the world's first national park in 1872 by President Ulysses S. Grant.

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2. Geothermal Wonders The park is home to over 10,000 geothermal features, including geysers, hot springs, and mud pots.

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3. Supervolcano Yellowstone sits atop a massive supervolcano, which is one of the largest active volcanic systems in the world. 

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4. Yellowstone Lake It's the largest high-altitude lake in North America and the largest freshwater lake above 7,000 feet (2,133 meters) in the world. 

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5. Wildlife Sanctuary Yellowstone is home to diverse wildlife, including bison, grizzly bears, wolves, elk, and more. It's one of the best places in the U.S. 

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6. Grand Canyon of the Yellowstone The park features a stunning canyon carved by the Yellowstone River. The canyon is known for its striking yellow and red-colored walls.

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7. Mammoth Hot Springs These terraces are formed by the constant flow of hot water depositing minerals, creating intricate formations that resemble a series of orange terraces.

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8. Boiling River A unique spot where a hot spring meets the Gardner River, allowing visitors to soak in a mixture of hot and cold water. It's a popular natural hot tub in the park.

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9. Thermal Features Galore Yellowstone has the world's largest concentration of active geysers, including Grand Prismatic Spring, which is the largest hot spring in the United States.

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10. Old Faithful Inn The Old Faithful Inn, one of Yellowstone's historic lodges, is an architectural gem and is often considered the largest log structure in the world.

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