I kept talking and reassuring them they were good dogs, and they could do it,” said Mitchell Rudy, who broke a Guinness World ...

There is all sorts of evidence that walking a canine can be as rewarding for you as it is for your dog. For starters, it releases endorphins.

More From Newsweek Vault: The Top Rewards Credit Cards for Pet Owners Being a big dog lover ... encountering a dog at such altitude and in that environment. When he resumed walking, the dog ...