Western United States
Images made in the western half of the United States including Alaska, but not Hawaii
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Golden terraces of travertine, a limestone, glow off the rising sun in Mammoth Hot Springs in Yellowstone National Park.
Mammoth Hot SpringsNorth AmericaU.S.United StatesWyomingYellowstone National Parkboiling watercolorcolorful microorganismsearly morningfamily activitieshorizontalnational parknational treasurenatural wondersnaturerecreationsteamtourismtravertinetravertine rockvacationvacation spotwilderness2012DennisMook