After watching a Guinness World Records video on the world's tallest dog, Maymo the lemon beagle falls asleep and dreams that he has become the biggest dog on the planet. Watch as the cute Maymo ...

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.

Some dog breeds rival motorcycles in weight, shaped by centuries of work and strength. From towering Great Danes to massive ...