Layover. The dreaded term gives rise to images of maddening hours of boredom and desperate attempts to grab a few hours of fitful sleep in impossibly uncomfortable airport chairs. But the wait between connecting flights doesn't have to be all bad. Airport lounges can offer some respite for weary travelers but the real way to ensure you enjoy your layover is by getting out of the airport and exploring—even if just for an hour or two—a new destination. Here are some cities that will make it easy to love your long layover.