Portuguese water dogs were originally bred to provide assistance to fishermen, both on and off the boat. As a historic working breed, it's easy to forget that these animals make exceptional pets.

Pugs may be the most documented breed in history, often seen at the sides of their masters in Renaissance paintings and various other art mediums. Modern-day Pugs perform service work and have inspired restaurants and high-end dog furniture.

From beloved pets to search and rescue experts, Golden Retrievers have been cherished partners since the late 1800s. At the Canine Companions for Independence, these dogs are trained to become service dogs for people with disabilities.

The Borzoi is one of the oldest and purest breeds of the ancient Russian wolfhound. Explore its unique characteristics and discover why the dog was bred to look and act the way it does.

The Dachshund was originally bred to tunnel and scurry its way through brush and burrows to catch beaver, weasels and other small prey. But this tenacious little dog can do much more because of its keen sense of smell and quick, short legs.

Originally bred to hunt for small prey in the underbrush, Basset Hounds communicated with hunters using howls and barks. But today, they are described as the only dogs that need to be coaxed to take a walk.

The Spinone Italiano is an exceptional gun dog that dates back to the 15th century. The Spinone Club of America holds an annual event for dogs and their owners, and the Spinone Olympics continue to be the most popular event.

The Weimaraner has gone from versatile hunting dog to pop icon. Photographer William Wegman shows off his family Weimers at his Maine summer house.

The poodle's ability to learn is considered exceptional. This breed is ranked number two in intelligence, and while they may have an aloof appearance, these dogs have a sense of humor and joie de vivre.

Known for keen intelligence, obedience and their work as police dogs, Dobermans are versatile dogs used in therapy and as service dogs. They can even make good dance partners. Sgt. Ron Packard reveals his unusual routine with his Doberman partner.

Taking its name from the Canadian maritime providence, the Newfoundland dog is a living, breathing history lesson. Putting to use their webbed feet and large lung capacity, these dogs can really save the day.

Brought to England by ancient dog traders, the Mastiff is truly an antique breed. Often suffering from joint problems, these gentle giants need plenty of exercise.