My mother had a Anatolian-Great Pyrenees mix. He was a pretty neat dog, would go on patrols around the edge of her property a few times a day, and would park himself next to the front gate to keep an eye on things:
He was also an escape artist, and would go on walkabouts from time to time, once visiting a neighbor (after a swim in the pond, of course) walked in the open door, and ended up climbing in bed with a bedridden old man.
One of her friends summed it up perfectly, "He is a force to be reckoned with...."