This is a sunrise image of the Mammoth Hot Springs in Yellowstone National Park in Wyoming. The early morning light adds to the colorful formations. This is also one of the images used in the panoramic of Mammoth Hot Springs below.
(1st)Canon EOS 1D MKIII, EF 300mm F2.8 IS USM L lens, Gitzo Tripod
(2nd)Canon EOS 1D MKIII, EF 70-200mm F2.8 IS USM L lens, Gitzo Tripod