A dog called Oscar has laid claim to the title of the animal kingdom's most intrepid explorer after visiting famous landmarks around the world. His travels include five continents, 29 countries and stopping off everywhere from the Eiffel Tower to the Taj Mahal....
A Border Collie competes in the Flyball during The World Dog Games at Acer Arena on October 31, 2009 in Sydney, Australia. (Photo by Brendon Thorne/Getty Images)...