April 25 2013

China

Crater Lake over the Galaxy in Oregon,US

(© Nagesh Mahadev)

Australia, Canada,Germany, United Kingdom

Gifford Pinchot National Forest,Washington,US

(© Art Wolfe/Getty Images)

France

Detail of the Roof of the Station's Newly Restored King's Cross,London,UK

(© Think James Photo/Gallery Stock)

Japan

Kudaka Island,Nanjo,Okinawa,Japan

(© Yiu Yu Hoi/Flickr/gettyimages)

New Zealand, United States

Hall of Memory,Australian War Memorial in Canberra,Australia

(© Tom Harradine/ Alamy)

April 24 2013

France

Aubrac Cow with Calf,Lozère,Languedoc- Roussillon,France

(© les Corniere/Minden Pictures)

Australia, Canada, United Kingdom

Hall of Memory,Australian War Memorial in Canberra,Australia

(© Tom Harradine/ Alamy)

China

Herds and Flocks onthe side of Sailimu Lake,Xinjiang,China

(© Feng Wei Photography/Flickr/Getty Images)

Japan

Blue Pond,Shirogane Onsen Hot Spring,Biei,Hokkaido,Japan

(© Adithya Anand/Flickr/gettyimages）

New Zealand, United States

Alishan National Scenic Area,Chiayi County,Taiwan
(© Kyle Lin/Getty Images)

Germany

Wheat straw is burned,Kansas,US

© Harald Sund/Getty Images)

March 10 2012

Australia

Hot-air balloon,Canberra festival,Australia

(© David Messent/Photolibrary/Getty Images)

Japan

Fold stone of cauldron Hanzo half structure,Rikuchu coast national park,Kesennuma,Miyagi,Japan

(© GYRO PHOTOGRAPHY/Photolibrary)

 Canada, China, Germany, United Kingdom

The Avenue of the Baobabs,Madagascar

(© Nigel Pavitt/Corbis)

New Zealand, United States

A Knysna Turaco in South Africa

(© Hoberman Collection/SuperStock)

France

Ruby brittle star on coral off the shore of the Cayman Islands

(© Hal Beral/Corbis)

January 17 2012

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

Commonwealth Place in Canberra,Australia

(© Richard I'Anson/Lonely Planet Images)

New Zealand, United States

 

Fishing village of Reine,in the Lofoten Islands,Norway

(© Frank Krahmer/Corbis)

January 16 2012

United States

Martin Luther King. Jr. National Memorial in Washington,US

(© Mladen Antonov/Getty Images)

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

Fishing village of Reine,in the Lofoten Islands,Norway

(© Frank Krahmer/Corbis)

China, New Zealand

 Bridge of Arts in Paris,France

(© Maurizio Rellini/SIME/4Corners)

October 31 2009

China

Chateau de Fontainebleau,Seine-et-Marne,Ile-de-France,France
Gavin Hellier/Photolibrary ©

New Zealand

Aerial view of the flower beds at Floriade Flower Festival,Canberra,Australia
Tim Wimborne/Corbis ©

Australia, Japan, Germany

Dubai's Terminal,UAE
SIME/eStock Photo ©

United Kingdom, Canada, United States

Bat Hanging Upside Down
Hans Neleman/Getty Images ©

September 11 2009

United States

One of the two ‘Tribute in Light’ columns at Ground Zero,New York City,US
Seth Cohen/Corbis ©

China

River Douro,Porto,Portugal
Michele Falzone/Photographer's Choice/Getty Images ©

Japan, Germany

Monarch Butterflies,Migrating to Central Mexico
Richard Ellis/Getty Images ©

United Kingdom, Canada, New Zealand

Lion Peak above Milford Sound,Fiordland National Park,New Zealand
Chad Ehlers/Nordic Photos/Photolibrary ©

Australia

Aerial view of the flower beds at Floriade Flower Festival,Canberra,Australia
Tim Wimborne/Corbis ©