Yellowstone is one of America's most well-known and best-loved national parks. Open 365 days a year, visitors can take in the abundance of wildlife (don't miss the bison), take a leisurely or backcountry hike, and visit Old Faithful and the geyser basins. Yellowstone is home to 2/3 of the world's geysers. Guided hiking and cycling tours are also available.
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