In fact, in 1989 a Mastiff named Zorba set the record as the world's largest dog. Standing at 37 inches high at the shoulder, Zorba weighed 343 lbs., and was 8 feet, 3 inches long from the tip of ...

The past three "tallest dog in the world" title holders were Great Danes. Two even had the same colossal name. Here are the world's largest breeds.