Picture this: You're wandering through a crowded spot in Barcelona, and before you know it, a pickpocket slips away with your wallet: your driver's license and passport are now gone, and you have no backups. Or you take an impromptu detour to Baker, Nevada, your phone goes radio silent for two days, and nobody back home has any idea where you actually are should anything happen to you. That's the mess smart travelers avoid by putting a few quick safeguards in place before they leave. Whether you're traveling at home or abroad, here are 10 tips that could save your trip.