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Roaring Mountain is a large, acidic thermal area (solfatara) that contains many steam vents (fumaroles). In the late 1800s and early 1900s, the number, size, and power of the fumaroles was much greater than today.
At Madison Junction, you'll find a campground, restroom facilities, an information...
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Exploring Mammoth'swhite travertine terraes is a bit like stepping out...
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Located at the boundary between Yellowstone National Park and the...
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The Grand Canyon of the Yellowstone River expresses the park's...
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Don't pass by Yellowtone's oldest and hottest geothermal basin! Norris...
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Along Fountain Paint Pot Trail you will see various hydrothermal...
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