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Geysers, Terraces, Mudholes, and other Geothermal Features
Steam rises over travertine terraces, at Mammoth Hot Springs Terraces. Photo © Teresa Plowright.
Old Faithful, previous page, is just one of hundreds of geysers at Yellowstone National Park; and geysers are just one type of natural wonder found in this amazing volcanic "caldera". Yellowstone has bubbling mudholes, steaming hot springs, smoking fumaroles... It is the best place on earth to observe such "geothermal features".
- Continue to Wildlife Viewing, at Yellowstone: Elk.