March 29 2014

Australia,China,France,United Kingdom

Male Hooded Merganser in Beaufort,South Carolina,US

(© Eric Horan/age fotostock)

United States

Bridge over Marshland near the Khongoryn Els sand dunes in the Gobi Desert,Mongolia

(© Franck Guiziou/Hemis/Corbis)

Japan

Lake Turkana,Turkana,Kenya

(© Nigel Pavitt/Corbis)

Canada

Microphotograph of Giant Salvinia,A Water Fern

(© Martin Oeggerli/Visuals Unlimited, Inc.)

Germany

Blue Lagoon,Comino,Malta

(© Jason Hawkes)

New Zealand

Lavender Fields in Banon,Alpes-de-Haute-Provence,PACA,France

(© Roland Gerth/Corbis)

June 30 2013

Australia,Canada,Germany,Japan,United Kingdom

Aerial of Mackenzie River Delta,Northwest Territories,Canada
(© J.A. Kraulis/Corbis)

United States

Annual Gay Pride Parade,New York City,New York,US

(© Chip East/Reuters/Corbis)

 China

Cherry Tomatoes

(© Kieran Scott/Photolibrary/Getty Images)

 France

Nice View Overlooking the Bay, The Promenade des Anglais,Cours Saleya and The Ferris wheel from the Massena from the castle of Nice,Alpes- Maritimes,PACA,France

(© Rose Marie Nisolle)

New Zealand

Bridge over a Marshland near the Khongoryn Els Sand Dunes in the Gobi Desert,Mongolia

(© Franck Guiziou/Hemis/Corbis)

June 29 2013

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

Bridge over a Marshland near the Khongoryn Els Sand Dunes in the Gobi Desert,Mongolia

(© Franck Guiziou/Hemis/Corbis)

Germany

Emscher Landscape Park,Part of a former Thyssen Steel Factory,Duisburg,Meiderich,North Rhine-Westphalia,Germany

(© Guido Cozzi/4Corners)

New Zealand,United States

Cliff Palace in Mesa Verde National Park,Colorado,US

(© George H.H. Huey/Alamy)