A colorful hot spring, viewed from the walkway near the Old Faithful Inn. The orange color comes from a bacteria.
Hot Springs (2)
- Geothermal Features in Yellowstone National Park
Photos of Yellowstone National Park.
Photo © Teresa Plowright.
More about Yellowstone National Park:
Yellowstone National Park - Top Things to Do for Family TripsYellowstone National Park - Photos of Highlights
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