April 15 2010

United Kingdom, China

Val d’Orcia,Tuscany,Italy
Fabio Muzzi/Photolibrary ©

Canada, United States, New Zealand

Roman Coliseums at El Djem,Tunisia
Rene Mattee/Photolibrary ©

Australia, Japan, Germany

Seagulls on a Sandbank in Bassin d'Arcachon,Gironde,France
Jean-Daniel Sudres/Corbis ©

April 14 2010

China

Spotted Cuscus on a tree in Tufi, Oro Province,Papua New Guinea
Michele Westmorland/Getty Images ©

United Kingdom, United States, Canada, New Zealand

Antarctic Iceberg and Cloud Landscape Reflecting in Totally Calm Waters Near Ross Island,Antarctica
A Rose/age fotostock ©

Australia, Japan, Germany

Roman Coliseums at El Djem,Tunisia
Rene Mattee/Photolibrary ©

April 11 2010

Germany

Metropolitan Museum of Art,New York City,US
Hiroyuki Matsumoto/Getty Images ©

United Kingdom

Roman Coliseums at El Djem,Tunisia
Rene Mattee/Photolibrary ©

Canada, United States

Churches of Botiza,Romania
Peter Adams/Corbis ©

Australia, Japan, China

Moai Stone Statues on the outer slopes of Rano Raraku,A Soft Stone Quarry on Easter Island
James L. Amos/Corbis ©

New Zealand

Horseshoe Falls Surrounded by Rainforest, in the Mount Field National Park,Tasmania,Australia
Jochen Schlenker/Getty Images ©