The London Eye is a giant Ferris wheel on the South Bank of the River Thames in London. Also known as the Millennium Wheel, its official name was originally the British Airways London Eye, then the Merlin Entertainments London Eye, and since January 2011, the EDF Energy London Eye.

A leopard seal feeds Paul Nicklen a penguin. (Photo by Paul Nicklen/National Geographic). Antarctic Peninsula, 2011

“When We're Gone... Memories Of Us Are All That Remain”, 2011. (Photo by: Trini61; Source: Flickr)

“Valentine Shmalentine”, 2011. (Photo by GillyFace)

Professional dog walker Jon Lovette of Jonny Walkers walks with dogs at Crissy Field on October 19, 2011 in San Francisco, California.

A zebra walks through the recently flooded Safari Park located at Safari World November 2, 2011 in Bangkok, Thailand. (Photo by Paula Bronstein /Getty Images)

Christmas decoration selling during Depot Christmas Shopping on November 23, 2011 in Hamburg, Germany. (Photo by Christian Augustin/Getty Images)