Allgäu, Germany

Perito Moreno Glacier, Los Glaciares National Park, Argentina

Philippines, Ricefields

A beach in Inverness, Nova Scotia

Blue-Green Algae bloom, Lake Erie, US

Iliamna Volcano, Alaska. Photo by Michael Melford

Bromo Volcano at Sunrise, Java, Indonesia

Matterhorn at night - open sky and twinkling stars

Val Di Funes, Italy

Luoping, Yunnan Province, China

Hill fortress of Sigiriya, Sri Lanka

Glacier Bay National Park, Alaska

Etretat under the snow, Haute-Normandie, France