I've always been a bit directionally challenged, but thanks to my iPhone's trusty maps, I don't get lost in a new city as much as I used to. Though when service is spotty or I still can't find the right cross street, I employ a trick I picked up on one of my first solo vacations. When asking for directions, look for someone walking their dogs—chances are, they know the area well enough to help you get where you're going. Here are a couple of other helpful tips.