
This Dec. 23, 2011 photo shows the Upper Geyser Basin at sunset in Yellowstone National Park, Wyo. (AP Photo/Matt Volz)
See these photos on AP Images.com
This Dec. 23, 2011 photo shows the Upper Geyser Basin at sunset in Yellowstone National Park, Wyo. (AP Photo/Matt Volz)
See these photos on AP Images.com