Cirque de Gavarnie, Pyrenees

Old Man's Cave - Hocking Hills, Ohio

Grand Lac seen from Col de la Ponsonnière, Hautes-Alpes, France

Giethoorn, Netherlands

Nissersø, Norway

Iguazu falls

Crimean night

Turquoise ice at Lake Baikal, by Alexey Trofimov

Lake Powell - Rainbow Bridge

Beautiful beach in the Seychelle Islands

Pikes Peak, Colorado

Blue-Green Algae bloom, Lake Erie, US

Northern lights over Sarkofagen, Svalbard, Norway - Autumn 2011