Known for its massive size and protective nature, the St. Bernard is the ideal family dog.
The mastiff, often referred to as the gentle giant, can reach a height of about 30 inches.
Rottweilers have a muscular body and a strong work ethic.
Traditionally known as sled dogs, Siberian Huskies are playful and energetic companions.
Bringing together loyalty, affection and a work ethic, boxers are agile and powerful despite weighing in at 65 to 80 pounds.
Great Danes fall into the categories of working and guard breeds.
As skilled hunters, the Rhodesian Ridgeback possessed both a muscular build and speed.
Handsome and muscular, Irish Wolfhounds can look intimidating.
Known for their loyalty and adaptability, especially with children.
With a large and powerful stature, Newfoundlands have a sweet temperament.