The good folks at Eater.com realize that being a sophisticated traveler doesn't mean that you always have to forego the food that makes you feel most at home. So in honor of Burger Week earlier this month, they asked 9 chefs where they go to get the world's best burger. The list is more surprising than you might think—a burger joint in Mexico ranks among the favorites. Jonesing for some beef? Check out the list here.