The world of "Game of Thrones" is filled with magic and fantasy. Valyrian steel. The Lord of Light. White Walkers. Dragons. Dire wolves. Giants. Greyscale.
Pause for a second. One of those is real.
Dire wolves were a real thing. They lived during the Pleistocene era, about 250,000 to 10,000 years ago. And while they weren't as large as the fictional Stark family pets, they still packed a punch.