Geiranger, Norway

Autumn in Adirondacks, New York

(OC) The Mojave Desert wilderness in Joshua Tree National Park.

Kaikoura, New Zealand

Lower Lewis River Falls, Washington

Sandstone pillars, Meteora, Greece

Natural Spring, Central FL, US

Dean's Blue Hole, Long Island, Bahamas.

A farmer walks past a terrace of codonopsis pilosula, a traditional Chinese medicine also known as dang shen, in Min county, Gansu province

Athabasca Glacier, Alberta, Canada

Great blue hole of the coast of belize.

Purnululu National Park, Australia

Blue Ice Cave, Antarctica, December 2011.