Photo of the Day: Robo Chief

1125 Photo of the Day: Robo Chief

A robot waiter brings dishes of food to customers at a robot restaurant in Harbin, Heilongjiang Province, China. (WANG JIANWEI/CHINE NOUVELLE/SIPA)

Photo of the Day: Walk this Way!

1116 Photo of the Day: Walk this Way!

Children react as a carnivorous theropod known as the Australovenator dinosaur walks through crowds along the Southbank in London. (Kirsty Wigglesworth/AP)

Photo of the Day: The Biggest Wave

1104 Photo of the Day: The Biggest Wave

Australian surfer Marti Paradisis rides a wave near Pedra Branca Rock, south of Tasmania in the Southern Ocean. Paradisis won the ‘Biggest Wave’ section of the Australasian Big Wave Awards, which included $20,000 prize-money. Picture taken November 2012. (REUTERS/Andrew Chisholm/Big Wave Awards)

Photo of the Day: Winter Day

190 Photo of the Day: Winter Day

People shield themselves from the snow as they walk along the Charles Bridge in Prague, Czech Republic. (Vit Simanek/Associated Press)

Photo of the Day: The Emperor Penguins

188 Photo of the Day: The Emperor Penguins

Paul Nicklen of Canada won 1st Prize in the Nature Stories category for his photographs of Emperor Penguins. Scientists discover that Emperor Penguins are capable of tripling their swimming speed by releasing millions of bubbles from their feathers. These bubbles reduce the friction between their feathers and the icy seawater, allowing them to accelerate in the water. (Paul Nicklen/ National Geographic Magazine)

Photo of the Day: Cat Hole

130 Photo of the Day: Cat Hole

A stray cat looks through a hole in an iron panel covering a basement window in Minsk. Municipal authorities in Belarus have walled up stray cats in basements in compliance with Soviet-era regulations, dooming them to death of hunger. But some residents make holes for cats to escape. (Sergei Grits/Associated Press)

Photo of the Day: An Elephant Meets a Sea Lion

125 Photo of the Day: An Elephant Meets a Sea Lion

In this heartwarming photo we see Chendra, an Asian elephant, meeting Gus, a sea lion at the Oregon Zoo. Chendra met Gus while she was on one of her morning walks around the zoo. Photograph by Michael Durham. Posting by laphmore on Reddit.

Photo of the Day: The Element

19 Photo of the Day: The Element

Large swell forms after severe storm in Sydney (Cameron Spencer / Getty Images News)

Photo of the Day: Winter in Kraków

1138 Photo of the Day: Winter in Kraków

Photography by Marcin Ryczek.

Photo of the Day: Devil Ride

1134 Photo of the Day: Devil Ride

Hawaiian surfer Garrett McNamara set the world record for biggest wave ever ridden back in November 2011, when he tamed a 78-foot monster. McNamara reportedly broke his own record by riding this 100-foot wave on Monday in Nazaré, Portugal.

Photo of the Day: Huddle Up

1102 Photo of the Day: Huddle Up

Two chimpanzees hug each other to keep warm at Qingdao Zoo in Qingdao, Shandong province, Eastern China. (Barcroft)

Photo of the Day: Spider-Man

132 Photo of the Day: Spider Man

Sao Doan, 5 years old, watched as her mother took a photo of Merrill Hunt, dressed as Spider-Man, washing windows at All Children’s Hospital in St. Petersburg, Fla., Thursday. Three window cleaners dressed up for the day. (Cherie Diez/Tampa Bay Times/Zuma Press)

Photo of the Day: Christmas Lights

1171 Photo of the Day: Christmas Lights

Trees are decorated with lights to celebrate the upcoming Christmas and New Year at the Garden of Morning Calm in Gapyeong, South Korea. (Ahn Young-joon/Associated Press)

Photo of the Day: Happy Birthday!

1157 Photo of the Day: Happy Birthday!

56-year-old Colo celebrates her birthday at the Columbus Zoo and Aquarium in Columbus, Ohio. Colo is the oldest gorilla in any zoo. (Grahm S. Jones/Columbus Zoo and Aquarium)

Photo of the Day: Frozen

1124 Photo of the Day: Frozen

After a cold night, frost covers plants in a field in Forestburgh, N.Y. (Tom Bushey/Times Herald-Record)