They’re melting and sinking. They’re booming—or busting. They’re jaw-droppingly scenic and cosmopolitan. One thing that’s clear about our nods for the best travel destinations of 2012 is that they’re changing, and fast, which means the coming year is perfect for a trip of a lifetime. Now that we’ve spun the globe and picked our top spots, it’s your turn to make it happen—and, of course, to let us know which ones we missed. Read it.