Most visitors to New York City crane their necks for a view of the city's famous skyline, but locals know better: To get the best views, you have to go up. Here's your chance to take a rare—and vivid—journey atop a few of the city's billion square feet of rooftops.
As the Big Apple faces ever-hotter summers, officials are looking for ways to cool off in some of the only unused space left in a crowded city: rooftops.
Fertile vegetated "green" roofs absorb the sun's rays, while reflective "white" roofs bounce them back to space. Both are sprouting up in response to a 2008 city rule that requires new roofs to be climate friendly.