August 12 2013

Australia,Canada,Germany,France,United Kingdom

Love Locks displayed on the Great Wall of China near Beijing,China

(© Richard Taylor/4Corners)

China

Chinese Traditional Puppet Drama Couple,Chengdu,Sichuan,China

(© Stock Connection/SuperStock)

New Zealand

A Red Fox in the forest of Elfvik near Lidingö,Sweden

(© Eddie Granlund/Corbis)

 United States

Horned Ghost Crab on Bird Island in the Seychelles

(© Ronald Wittek/Superstock)

 

Japan

Small Herd of Giraffes,Namibia

(© Jim Zuckerman/Corbis)

 

January 29 2012

Australia, Canada, Germany, Japan

 Marismas del Odiel Biosphere Reserve,Huelva Province,Andalusia,Spain

(© Martin Ruegner/Getty Images)

China

Chengdu panda protection zone,China

(© Sue Bishop/Oxford Scientific/Getty Images) 

 France

Aerial view of Yerba Buena and Treasure Island,Oakland Bay Bridge,San Francisco,California,US

(© Marli Miller/ Visuals Unlimited, Inc.)

New Zealand, United States

 Detail of a banana leaf, Mainau Island,Germany

(© Egon Bömsch /Age footstock)

United Kingdom

 Mantles of giant clams in Kingman Reef,Pacific Ocean

(© Brian J. Skerry/Getty Images)

September 7 2009

New Zealand

Zwinger Palace, Dresden, Germany
Jorg Greuel/Getty Images ©

China

Shu Brocade, Chengdu, Sichuan, China
China Photos/Getty Images News/Getty Images ©

Canada

Rocky Shoreline, Newfoundland, Canada
Radius Images/Photolibrary ©

United States

A Worker Returns To Earth After Lubricating The Top Of A Drilling Rig
Joel Sartore/Getty Images ©

Labor Day

Australia, Japan, Germany

Fakarava Atoll, Tuamotu Archipelago, French Polynesia, France
Sergio Pitamitz/Corbis ©

United Kingdom

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