Blue-Green Algae bloom, Lake Erie, US

Gramado, RS - Brazil

Topanga Canyon, California

Mammoth Hot Springs, Yellowstone National Park

Tinayguk River, Alaska, by Melford

Badlands National Park

Lake Luter in the Swiss Alps

Sheosar Lake, Pakistan

Old Man's Cave - Hocking Hills, Ohio

Moraine Lake, Banff National Park, Canada

Owhiro Bay, New Zealand

English Countryside - Huntingford, UK

Yellowstone