Animals·Posted on Sep 14, 2012This Is The World's Tallest DogAccording to the upcoming Guinness Book of World Records for 2013, Zeus the Great Dane is the tallest dog in the world right now. Standing on his hind legs, Zeus measures 7'4.by Summer Anne BurtonBuzzFeed StaffLinkFacebookPinterestTwitterMail !!!! And video! View this video on YouTube youtube.com