Catherine Parker More than its star attraction (Old Faithful), the Upper Geyser Basin boasts not only the largest concentration of geysers in the park, but also in the entire world (Yellowstone is ...
Park Ranger John on MSN3mon
Geyser Hill in Yellowstone National Parkand pools next to Old Faithful Geyser in Yellowstone's Upper Geyser Basin. Geyser Hill is a must for any Yellowstone visitor.
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