Significant Mansion is situated on the premier North Park Avenue in the heart of the city's Old Town/Gold Coast neighborhood. This custom-built home is an all-masonry brick and limestone stunner, spanning over 8,000 square feet and sitting on a spacious double lot that is 50 feet wide. The house features a large side yard and entrance, balconies, a covered rooftop deck, and a stunning turret tower that offers a breathtaking panoramic view of the city skyline and the surrounding tree-lined neighborhood. This seven-bedroom, 5 1/2-bathroom home is meticulously designed with attention to every detail. It boasts 12-foot ceilings, hardwood floors throughout, a coffered living room ceiling, deep crown moldings, 8-foot doors, three wood-burning fireplaces, a five-stop elevator, and a top-floor, well-appointed gym overlooking an impressive professional indoor sports B ball court. The spacious chef's kitchen includes a Wolf range cooktop and custom copper hood, Wolf built-in convection ovens, a commercial Thermidor refrigerator, granite countertops, custom cabinets, and a sizable walk-in pantry. The kitchen also offers a large center island, counter seating, and a separate eating area, and is open to the grand family room with a wood-burning fireplace. The spectacular 3-season room features a wood-burning fireplace, access to an outdoor grilling patio with a built-in DCS chef's grill, a mudroom with laundry, and access to the remarkable side yard. The spacious primary suite offers a large walk-out balcony, a private staircase into a distinctive turret personal office, two large walk-in closets, an en suite bath featuring a double vanity, a sizable steam shower, and a jetted bathtub. Additional bedrooms are generously sized and include walk-in closets, en suite baths, and walk-out balconies. The lower level includes an entertainment space with a fireplace, a potential wine storage room, and two large bedrooms with walk-in closets and a full bath. Other highlights include an attached spacious 2.5-car garage, an automated privacy gate, a snowmelt driveway, a central vacuum, geothermal radiant heat, Marvin windows, multiple laundry rooms, and a Sonos multi-room sound system throughout. Ideal for entertaining large families, this home is perfectly located and close to entertainment, restaurants, great schools (Latin/Parker), parks, the lakefront, and more. This "truly one-of-a-kind home" is a must-see!