Surfers brave massive waves at Praia do Norte in Nazare, Portugal.
The President and First Lady visit the Daytona 500 race.
Scenes from the annual showcase for pedigree canines in New York City.
Mushers and dogs make their way through the snow.
Angler's fish on the opening day of the salmon season on the River Tay.
Surfers hit the waves in the waters off Cardiff, California.
Competitors take part in Santa-themed races.
Surfers challenge big waves at Portugal's Praia do Norte.