You can’t get much more exclusive than The Crown Penthouse at 212 Fifth Avenue, regarded as one of the city’s most prestigious addresses. While you might be around the corner from Madison Square Gardens, Broadway’s theatres and the Flatiron Building, it will be a wrench to tear yourself away from the penthouse's 10,000 square feet of luxe living space and 5,750 square feet of external terraces with views across the New York skyline.