October 19 2012

Australia, Canada, Germany, France, Japan

Aerial view of meandering waterways in a salt marsh on the Cape May Peninsula,New Jersey,US

(© Ingo Arndt/Corbis)

China

Nanjing University of Aeronautics and Astronautics Jiangning Campus,Nanjing,Jiangsu Province,China

(© Chaoyang Wang/Nanjing University of Aeronautics and Astronautics)

United Kingdom

Red Telephone Booth and St. Paul's Cathedral at Dusk,London,England,UK

(© Simon Frohn/Alamy)

New Zealand, United States

Lighthouse Park in West Vancouver,British Columbia,Canada

(© Clipcanvas)

May 19 2012

Australia

 Multicolored buckets at a market in Loropéni, Burkina Faso

(© Ivern Photo/age fotostock)

China

Nanjing University Library, Nanjing, China

(© Zewen Gong/Najing University)

Canada, Germany, France

 Avenida dos Plátanos at Ponte de Lima, Portugal

(© Juan Carlos Zamarreño/age fotostock)

 United States

Four 25-foot response boats return to Coast Guard Station St. Petersburg in St. Petersburg, Florida, US

(© U.S. Coast Guard photo by Lt. Cmdr. C.T. O'Neil/Getty Images)

Japan, Newzeland

Sunset over tidal area in Brisbane mangrove tree, Australia

(© visionandimagination.com / Getty Images)

 

United Kingdom

Redwood trees in Redwood National Park, California, US

(© William Manning/Corbis)

 

March 24 2012

United Kingdom

Sunrise over the Middle Level Main Drain,Wisbech,Cambridgeshire,UK

(@Tim Daniels/Loop Images)

 Australia, Canada, China, Germany, France, Japan

Ice cave on the north side of Mt. Erebus,Ross Island,Antarctica

(© George Steinmetz/Corbis)

New Zealand, United States

Highland cow on the Isle of Skye in Scotland,UK

(© SIME/eStock Photo)

Japan

Stone Statue Road elephants at Ming Xiaoling Mausoleum,Nanjing,China
(© Ian Trower/Corbis)

November 28 2011

Australia

 

Close-up of Eucalyptus flower with ants crawling inside

(© Oliver Strewe/Lonely Planet Images)

China

Stone Statue Road elephants at Ming Xiaoling Mausoleum, Nanjing, China
(© Ian Trower/Corbis)

 

Canada, Germany, France, Japan, United Kingdom

 

 Great Glacier Provincial Park, Lower Stikine, British Columbia, Canada

(© Gary Fiegehen/Corbis)

 

New Zeland, United States

 

Antelope Canyon near Page, Arizona, US

(© Stephen Matera)

November 27 2011

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

Antelope Canyon near Page, Arizona, US

(© Stephen Matera)

 

New Zeland, United States

Stone Statue Road elephants at Ming Xiaoling Mausoleum, Nanjing, China
(© Ian Trower/Corbis)

November 26 2011

Japan

Gough's Cave,Cheddar Gorge,Somerset,UK

(© Martin Engelmann/Photolibrary)

France

Indiana State Museum,Indianapolis,Indiana,US

(© Henryk Sadura/Corbis)

Australia, Canada, United Kingdom

Stone Statue Road elephants at Ming Xiaoling Mausoleum,Nanjing,China
(© Ian Trower/Corbis)

 China, New Zeland, United States

Kogelberg Mountains,South Africa

(© Martin Harvey/Corbis)

Germany 

Tube Anemone

(© Stuart Westmorland/Corbis)