January 31 2014

Australia,Canada,Germany,France

Favites Coral Polyps Feeding at Night and Fluorescing when Illuminated by Ultraviolet Light,Sabah,Borneo,Malaysia

(© Louise Murray/Visuals Unlimited, Inc.)

Japan

Okinawa Sea,Okinawa,Japan

(© Yasushi Akimoto/a.collection/amanaimages inc./Alamy)

 China

Chinese New Year Decorative Lanterns with The Word Blessing

(© Li Ding/Alamy)

New Zealand,United States

Fireworks in Victoria Harbour during the Chinese new year,Hong Kong,China

(© Fumio Okada/age fotostock)

May 09 2013

China

Birch Tree Dam Area at Bashang Forest,Hebei,China

(© Li Shao Bai/Redlink/Corbis)

United Kingdom

Twilight at Holkham Bay,Norfolk,England,UK

(© Jon Gibbs/Age Fotostock)

Australia, Canada, Germany

Detail of a Steam Engine at Steamtown National Historic Site,Scranton,Pennsylvania,US

(© Ian Shive/Aurora Photos)

Japan

Sugarcane Fields,Miyako Island,Okinawa,Japan

(© Ippei Naoi/Flickr/gettyimages)

France

Pink Scallop (Chlamys Rubida) trying to Swim
(© Marty Snyderman/Corbis)

New Zealand, United States

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

(© Eiko Jones Photography)

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 25 2012

Japan

 Coral reef at Ishigaki,Okinawa,Japan

(© Ippei Naoi/Flickr/gettyimages)

France

Balloon above a wheat field in Lorraine,France

(© Alain Even/Getty images)

Canada, China, United Kingdom

 Discussion between barn swallows before migrating from Africa,Wales

(© David Slater/Aurora Photos)

United States 

Opuntia, Prickly pear cactus

(© Flowerphotos/Superstock)

Germany

Green sea turtle hatchlings at Boatswain's Bay,Grand Cayman Island

© Stephen Frink/Corbis)

Australia 

Nā Pali Coast of Kauai, Hawaii,US

(© Frans Lanting/Corbis)

 

New Zealand

Summer poppies at sunset

(© Anthony Spencer/Getty Images)