Blue River, Greenland

Telluride, Colorado

Bimmah Sinkhole, Oman

Nissersø, Norway

Thousand Islands Lake, China

Honokohau Falls, Maui, Hawaii

Aurora Borealis in Iceland

Banff, Canada

Iguazu Falls, Argentina and Brazil

Iliamna Volcano, Alaska. Photo by Michael Melford

Desolation Wilderness, Sierra Nevada, CA

Sierra Nevada, California

Rising Sun, Dongsheng, Taiwan