Western United States
Images made in the western half of the United States including Alaska, but not Hawaii
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A crystal clear aquamarine and emerald pool steams in the West Thumb Geyser Basin in Yellowstone National Park in Wyoming.
North AmericaU.S.United StatesWest Thumb Geyser BasinWyomingYellowstone National Parkblue thermal poolcolorcountryhorizontalnational parknational treasurenaturerecreationsceneryscenicthermal pooltourismwild2012DennisMook01198