Perched high above one of the Upper East Side's most storybook blocks, this full-floor, 4,200 SF condominium wraps the corner of 70th and Madison with sweeping views over the Frick, treetops, and a slice of Central Park. Twenty oversized windows flood the home with light, framing classic New York streetscapes from every angle. With five bedrooms, four-and-a-half baths, and a layou...