May 25 2013

China

Rapa Valley,Sarek National Park,Lapland Province,Sweden

(© Johan Assarsson/Getty Images)

Australia,Canada,Germany,United Kingdom

Business District,Singapore

(© Albert Rene Ibanez)

Japan

Charco de los Ciclos (also known as “Green Lagoon”) on Lanzarote,Canary Islands,Spain

(© Marco Pavan/4Corners)

New Zealand,United States

Ounianga Serir Lakes in Northern Chad

(© George Steinmetz/Corbis)

 France

Polar Bear Mother and Cubs near Hudson Bay,Canada
(© Kennan Ward/Corbis)

May 08 2013

China

Port of Baltimore,Maryland,US

(© Greg Pease/Getty Images)

Germany

St. Pauli Landing Bridges,Port of Hamburg Festival,Hamburg,Germany

( © Gabriele Croppi / SIME / 4Corners )

Australia, Canada, France, United Kingdom

Tadpoles in Cedar Lake,Near Campbell River on Vancouver Island,British Columbia,Canada

(© Eiko Jones Photography)

United States , New Zealand

Roque de los Muchachos Observatory on La Palma in the Canary Islands,Spain
(© Uli Hamacher/Getty Images)

Japan

Glacier-Fed Lake,South Island,New Zealand

(© picturegarden/Getty Images)

March 09 2013

Australia, Canada, Germany, France

White-spotted Rose Anemone along the coast of the Pacific Ocean,North America

(© Ken Lucas/Corbis)

 

Japan, United Kingdom

Giant panda cubs at the Wolong National Nature Reserve in Sichuan Province,China

(© Pete Oxford/Danita Delimont)

 

 China

Black Herons in the Moremi Game Reserve,Botswana

(© Ben Cranke/Getty Images) 

New Zealand, United States

 

Charco de los Ciclos (also known as “Green Lagoon”) on Lanzarote,Canary Islands,Spain

(© Marco Pavan/4Corners)

March 08 2013

Japan

"Kakslauttanen Igloo Village",Lapland,Finland

(© Arctic-Images/Iconica/Getty Images)

Australia, Canada, Germany, France, United Kingdom

Charco de los Ciclos (also known as “Green Lagoon”) on Lanzarote,Canary Islands,Spain

(© Marco Pavan/4Corners)

China

Three Sisters Mountains in Oregon over the Clouds and Lightning,US

(© Marc Adamus/Aurora Photos)

New Zealand, United States

 Long-exposure photograph of people launching paper lanterns on International Women's Day,St. Petersburg,Russia

(© Yury Goldenshteyn/Corbis)

October 04 2011

France

La Defense in the Hauts-de-Seine, Ile-de-France, France

(© Jon Arnold Images / DanitaDelimont.com) ©

China

Two Singing Red-Crowned Crane
© Panorama Media/Age Fotostock) ©

Australia, Japan, Germany, United Kingdom, Canada

Finch
(© Sodapix/Photolibrary) ©

United States

Milky Way seen from Mount Teide, Tenerife, Canary Islands, Spain
(© Terje Sørgjerd/TSO Photography) ©

International Space Station over The Pacific Ocean
(© StockTrek/White/Photolibrary) ©

April 29 2010

United Kingdom

Flower Field Patterns Near Amsterdam, Netherlands

Adam Jones/Getty Images ©

Australia

Stand of Redwood Trees in Redwood National Park, California, US

Bob Stefko/Getty Images ©

Germany

Walpurgis Night on the Brocken, Germany

Per Magnus Persson/Johner/Photolibrary ©

Japan

Picking Tea Terrace, Shizuoka, Japan

PhotoLink/Getty images ©

Canada, United States, New Zealand

Vineyards Growing in Volcanic Ash in La Geria on Lanzarote Island in the Canary Islands, Spain

Marc Dozier/Corbis ©