October 18 2013

Rega Laila Manor,Sintra,Portugal

(© benitojuncal/Getty Images)

Australia,Canada,France,United Kingdom

Raised Boardwalk and white birch trees in Sackville Waterfowl Park,Sackville,New Brunswick,Canada

(© Dale Wilson/Getty Images)

Germany,New Zealand,United States

Long-Exposure Photograph of Fireflies in a Forested Area Near Nagoya City,Japan

(© Yume Cyan)

 Japan

Mountain Viscacha (Lagidium Viscacia) Yawning,Near the Salt Lake Salar de Surire,In the Province of Parinacota,Far Northern Chile

(© Bob Wickham/Oxford Scientific/Getty Images)

October 16 2013

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

Heceta Head Light,Near Florence,Oregon,US

© Craig Tuttle/Corbis)

United States

Sterling Memorial Library of Yale University,New Haven,Connecticut,US

(© Lee Snider/Corbis)

New Zealand

Mountain Viscacha (Lagidium Viscacia) Yawning,Near the Salt Lake Salar de Surire,In the Province of Parinacota,Far Northern Chile

(© Bob Wickham/Oxford Scientific/Getty Images)

October 15 2013

Japan

Full Moon and Cranes in Hokkaido,Japan

(© Grant Faint/Photographer's Choice/Getty Images)

China

Corn Hanging

(© Ben Miller/The Image Bank/Getty Images)

Canada,Germany,France,United Kingdom

Mountain Viscacha (Lagidium Viscacia) Yawning,Near the Salt Lake Salar de Surire,In the Province of Parinacota,Far Northern Chile

(© Bob Wickham/Oxford Scientific/Getty Images)

Australia

Studena Dam in Struma River,Bulgaria

(© Ivan Pendjakov/age fotostock)

New Zealand,United States

Long-Tailed Widowbird Male in Breeding Plumage,Marievale Bird Sanctuary,South Africa

(© Richard Du Toit/Corbis)