You have not seen anything like this before! Once owned by William Wrigley's family and Carter Harrison Jr., Chicago's mayor, and now is there to show you the uniqueness of its dramatic interior. The light shines from all directions, thanks to the four levels of the uniquely engineered floating steel staircase with glass catwalks which make you feel like walking in the air. Over 5500 sq. ft. of exceptionally designed 4-level living space with elevator access on each level. First floor with exotic kitchen, stunning dining room with custom glass dining table and glass illuminated floor, breakfast nook, and formal sitting area. The second floor will take you to the living room area, wet bar and full-size wine collection cooler, and library leading to an outdoor patio with a kitchenette. The guest bedroom with private custom bath and dressing area. The third level features the main bedroom suite with private dressing, steam room and soaking jet-hydro massage tub. If you walk across the transparent hanging-in-the-air catwalk, you will enter the second bedroom with its own impressively designed bathroom, giving you full privacy of sleeping quarters. Lower level - the gathering area with a combination of wood and onyx-illuminated stone bar, wine racks, wine cooler, dishwasher, ice maker, and huge entertainment area with atrium and special lightning. This house is fully equipped with the best mechanical features: water pressure enhancer, sophisticated flood protection system, water filtration system, radiant heated floors of the lower level, elevator, Jacuzzi, steam room, two laundry areas, high efficiency recirculating hot water system. High grade hardwood and natural stone flooring throughout. The fine line of the traditional and contemporary styles of this extraordinary house will impress you to the fullest. The garage rooftop patio with kitchenette and sitting area provides the freedom of the outdoors. Two and half car attached garage and secured outdoor parking are another outstanding features in this area. 1401 N. Astor Street mansion, previously owned by Chicago's wealthiest and most influential families, now is turned into the breathtaking architectural masterpiece. As expected in such a house, upscale finishes are everywhere, including quartzite, travertine and marble, rainforest showers, various pieces of illuminated exotic stone used as accent pieces on walls and throughout the home. Its contemporary one of the kind design makes this house stand out among its Gold Coast neighbors. You will absolutely love it! Or may be not? Well worth to find out!!!