Tundra in autumn in Denali National Park, Alaska

Qilian County, China

Grand Teton National Park, Wyoming

Yellowstone

Evening in Venice, Italy

Relaxing night on the Yucatan Peninsula, Mexico

Tinayguk River, Alaska, by Melford

Sunrise over Broken Arch

Yellowstone National Park Hot Springs

Arches National Park, Utah

Sunset at Big Sur

Emerald Lake in British Columbia, Canada

Bubble Pond Acadia Park