There are a lot of advantages to living in the city, but having a backyard large enough to accomodate a big-ass rolling grill isn't one of them. Thanks to these seven innovative designs, there's no reason not to master the art of the grill this summer. Even the smallest fire escape can be the setting for the makings of a beautifully char-grilled burger. Or you don't need to cook outside at all — there's a smoke-free model in the mix, as well as an enhanced electric version to replace your college-era George Foreman grill. And, because who isn't attached to their smart phone these days, one grill even charges your device while you cook up those Instagram-worthy steaks. Check 'em all out here.