April 21 2012

Australia, Canada, China, Germany, France, Japan, United Kingdom

Nevada Solar One at sunrise in the Mojave Desert near Boulder City, Nevada, US

(© David Nunuk/Corbis)

New Zealand, United States

The Space Needle and its reflection on the surface of the EMP Museum in Seattle, Washington, US

(© Lonnye Bower)

April 20 2012

Canada, China, Germany, France, Japan, United Kingdom

The Space Needle and its reflection on the surface of the EMP Museum in Seattle,Washington,US

(© Lonnye Bower)

Australia

Opuntia,Prickly pear cactus

(© Flowerphotos/Superstock)

New Zealand, United States

Green sea turtle hatchlings at Boatswain's Bay,Grand Cayman Island

© Stephen Frink/Corbis)

July 26 2011

Australia, Germany, Canada

Double Rainbow Over Eilean Donan Castle,Dornie,Scotland
SIME/eStock Photo ©

United States, New Zealand, Japan, China

Donkey Looking Over an Ancient Rock Wall in Ireland
Ryan Donnell/Corbis ©

United Kingdom

Sunset of Elliott Bay Taken From The Space Needle,Seattle,US
Mohammed Kamel ©

July 25 2011

Australia, United States, Canada

Donkey Looking Over an Ancient Rock Wall in Ireland
Ryan Donnell/Corbis ©

United States, New Zealand, Japan, China

Sunset of Elliott Bay Taken From The Space Needle,Seattle,US
Mohammed Kamel ©

Germany

New City Hall,Hanover,Germany
(© Scholz F. Collection/Arco Images/Age Fotostock) ©