Have you ever walked past a dog so massive that you had to do a double take, wondering how much it eats or where it even ...

Dogs come in all shapes and sizes, but as any puppy aficionado knows, they are always cute—no matter how big or small—even when a dog tall enough to drink from the kitchen sink thinks he's a lapdog.

An ancient Tibetan breed, the Kuvasz were highly-prized by noblemen who used them for hunting and as guard dogs, according to The Spruce Pets. Today, patient training is more important than a royal ...