November 19 2013

United States

Engraving of the Gettysburg Address at the Lincoln Memorial,Washington D.C.,US

(© Ocean/Corbis)

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

Viscous lava from Kilauea pours into the ocean at Kalapana,Hawaii,US

(© Ron Dahlquist/Aurora Photos)

 New Zealand

Wörlitzer Park,Saxony-Anhalt,Germany

(© Giovanni Simeone/SIME/4Corners)

November 01 2013

New Zealand,United States

 Entrance Hall to the Main Reading Room at the Library of Congress,Washington D.C.,US

(© Ryan McGinnis/Getty Images)

Australia,Canada,Germany,France,Japan

Great Langdale Valley in Lake District National Park,Cumbria,England,UK

(© Gallery Stock)

China,United Kingdom

Spiral Staircase,Ljubljana Castle,Ljubljana,Slovenia

(© JTB Media Creation, Inc./Alamy)