Ruger cools off in the Conococheague Creek in Pennsylvania. (AP Photo/Public Opinion, Markell DeLoatch)

A dog laps up ice cream in Skegness, England. (REUTERS/Darren Staples)

A pup finds some shade during a hot day in Mexico. (Mike Smolowe/Corbis)

A border collie mix drinks from a fountain at the Town of Oyster Bay Dog Park in Massapequa, New York. (Bruce Bennett/Getty Images)

Afghan Hounds race at a dog track in Kent, England — and, we hope, let the wind cool them down. (AP Photo/Kirsty Wigglesworth)

Another way to feel the wind in your fur: Catch a ride on a motorcycle in the Philippines. (AP Photo/Bullit Marquez)

A fountain in Rome offers a place for this pup to cool off. (AP Photo/Pier Paolo Cito)

Hercules sits next to a sprinkler during a break from playing fetch at Golden Gate Park in San Francisco. (Justin Sullivan/Getty Images)

A man and his dog cool down at sunset in Lacul Morii (Lake of the Mill), after a hot day in Bucharest, Romania. (AP Photo)