Regardless of where you are on a sizzling hot day, every culture understands the gratification that comes with opening a bottle or pouring a glass of frothy, ice-cold beer. For example, President Barack Obama recently brought two men divided on race relations together over a few cold ones. But unless you've done a lot of traveling around the world (or really know your brewskies), you might be surprised to find out where the world's most popular labels come from. Are you ready to put your beer knowledge to the test? Let's go!