The namesake of Firehole Lake Drive, Firehold Spring is a beautiful spring that convinced early explorers to think that "the larger bubbles looked like flashes of light--hence the origin of the spring's name," reads a National Park Service brochure.
Click here for the entire Road Trip 2009 package.
July 20, 2009 10:00 AM PDT
Photo by: Daniel Terdiman/CNET
| Caption by: Daniel Terdiman
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