One might say this majestic creature more closely resembles a small horse than a dog. They stand out in a crowd.
Their muscular bodies can knock over people and objects in tight spaces.
The Leonberger is a massive working dog that typically has a kind, gentle disposition.
In the mid-19th century, breeders crossed the mastiff and bulldog to get a powerful dog that could stop poachers.
It's in their nature to assist and protect—especially children—and always with a gentle spirit.
Commonly used in search-and-rescue and as service animals, they are giant dogs with even bigger hearts.
This massive canine with a giant head looks fierce, but mostly for show; it is an extremely loyal and gentle breed.
Among the oldest dog breeds, this working dog has a long history of guarding sheep and protecting homes.
Irish wolfhounds were battle and hunting companions, as well as guardians of homes.
An Italian breed with ancient roots that historians can trace back to the Roman army's dogs of war.