October 14 2011

Australia, Canada, Germany, France, Japan

A Grass Spider’s Web with Raindrops
(© Don Johnston/Age Fotostock) ©

United States

An Aerial View of Harvard University in Cambridge, Massachusetts, US
(© Frank Siteman/Corbis) ©

United States

Tallinn, Estonia
(© Bharat Ranjan) ©

China, New Zealand

Renault Technical Center at Aubevoye, Normandy, France
(© Francis Cormon/Hemis/Corbis) ©

October 10 2011

France

Renault Technical Center at Aubevoye, Normandy, France
(© Francis Cormon/Hemis/Corbis) ©

Japan

Canal Rocks, LeeuWin-Naturalist National Park, Western Australia
(© Radius Images/Photolibrary) ©

Australia, Germany, Canada, United Kingdom

Fairy Basslet Fish Dart among Blooms of Lettuce Coral near the Phoenix Islands, Kiribati, Micronesia
(© Paul Nicklen/National Geographic/Getty Images) ©

New Zealand, United States

Monument to Christopher Columbus at Port Vell, Barcelona, Spain
(© Rafael Campillo/Pixtal/Age Fotostock) ©

China

Dubrovnik, Croatia
(© SIME/eStock Photo) ©