Often a runner-up in the Guinness Book of World Records, the Irish Wolfhound comes in second in comparison to the Great Dane.

Did you know that the American Molossus Dog is the largest dog in the world? You're about to find out! In this video, we're ...

English Mastiff breeder shares remarkable stories about record-breaking Mastiffs and their unique characteristics. Subscribe! subscribe Jimmy Kimmel’s late night show pulled off air ‘indefinitely’ ...