Those who browse listings of Park Avenue apartments for sale in the hope of injecting grandeur into their lives will find exactly that at 737 Park Avenue from Macklowe Properties. Sitting atop the 55-residence luxury condominium, the penthouse boasts four bedrooms and six-and-a-half baths and is beautifully lit by dramatic windows and a striking skylight. Nearly 10,000 square feet in combined interior and exterior space include a private roof-top terrace offering breathtaking views not only of the city, but of the famous avenue below. View Full Article