Extell Development has kicked off sales at Central Park Tower, a 98-floor supertower that will host the highest apartments on earth. Its 179 condos will range from two- to eight-bedrooms and include a 17,500-SF penthouse. Additionally, there will be 50,000-SF of amenities all resting atop NYC's forthcoming Nordstom flagship. Slide for more renderings. More info and a video fly-through of the project in the profile link.