Actor Kevin Costner, right, gets playful with fellow actor Ashton Kutcher during an appearance at the Coast Guard Station in Alameda, Calif. to honor Guardsmen that had rendered exemplary and heroic service the past year. The actors finished a movie called The Guardian, that has the Coast Guard as a central theme. (AP Photo/Dino Vournas)
Kids get their thrills on a carnival ride at the City of Dublin's St. Patrick's Day Festival.
Ocean Beach, San Francisco.