Snow sculpture from Sapporo Snow Festival at Odori Park in Sapporo, Hokkaido, Japan (© Lucas Vallecillos/age footstock)

Colonial National Historical Park on Jamestown Island, Virginia (© George Steinmetz/Corbis)

Padlocks, affixed to a bridge by sweethearts, in Bastejkalns Park, Riga, Latvia -- Guiziou Franck/photolibrary ©

Visitors view the dynamic version of the famous Chinese picture "Riverside Scene at Qingming Festival" at the China Pavilion in the World Expo park in Shanghai, China -- Xu Jiajun/Corbis ©

Colourful ferris wheel in Birrarung Marr park and the city skyline at dusk, Melbourne, Victoria, Australia -- David Hannah/photolibrary ©

A red deer stag stands among females in the woods at the Eekholt game park – Christian Hager/dpa ©