The Manhattan skyline is of course one of the world's most iconic, an awe-inspiring tribute to human ingenuity and America's economic success. To see it at night is magical. To see it at night from atop a Manhattan roof -- to be part of the skyline, in other words -- is more magical still. And to do so with a well-mixed cocktail in one's hand is an experience simply not to be missed. Here is a list of the best hotel rooftop bars in New York City.