A stunning penthouse in the sky! Spectacular sunset vistas along the distant horizon; downward looking Hudson River scenes; panoramic views of New York City's unique and iconic skyline. A tastefully elegant and spacious four-bedroom penthouse with every imaginable amenity and upgrade. Penthouse A offers four bedrooms, three exposures, an intimate library, a solarium with a fireplace leading to a private corner terrace with an outdoor kitchen and fireplace. With a 5,900 square-foot interior and nearly 800 square feet of exterior space, Penthouse A abounds with fine finishes and features throughout including walnut wide plank flooring, over 12' ceilings, floor-to-ceiling windows and a grand corner great room with a fireplace, custom coffered ceiling: offering picturesque views of the Hudson River. The custom eat-in Scavolini kitchen designed by Jeffery Beers for One West End features Dornbracht fixtures, walnut cabinets with champagne matte glass panels, and Calacatta Borghini marble on the waterfall edge countertops, backsplash, and cabinetry framing. Appliances include a Wolf cooktop, range, and two ovens, a Sub-Zero refrigerator and wine refrigerator and two Miele dishwashers. A built-in coffee system by Miele, a baking station, and a bar station would please even the most discerning chef. The palacious primary suite enjoys two luxuriously spacious dressing rooms, a morning kitchen, and two ensuite baths with heated Bianco Dolomiti marble floors, brushed limestone walls and a marble slab countertop. Recessed medicine cabinets, a soaking tub, a glass-enclosed shower and Dornbracht fixtures add to the resort-inspired experience. Each secondary bedroom is complete with floor-to-ceiling windows, a large walk-in closet, and an ensuite bath with Opal White radiant heated marble floors, oak vanity with a Lacava sink and Dornbracht fixtures. Additional details of the home include a Savant full home automation system for all lights, shades, thermostats, sound system and cameras, Lutron lighting and shade system, new baseboard and crown moldings and custom built in closets throughout.