A true masterpiece by famed architect Joseph Lyman Silsbee, this incredible home is located on an oversized 35X135 lot on Chicago's famous Astor Street. Encompassing nearly 14000 square feet, the home features a first floor grand reception area with original marble flooring, beautifully paneled walls, wainscoting, a large cloak room, expansive family room with fireplace and an oversized commercial grade kitchen overlooking a beautiful slate courtyard patio/garden. With impeccable detail, the home has a formal dining room, reading room, several wet bars and a dramatic, two story paneled billiard room with cupola...just perfect for entertaining. The entire third floor is the primary suite with a comfortable bedroom, 2 full marble baths, 2 elegant dressing suites with custom built-ins, cherry paneled executive office with fireplace and lovely terrace garden. The skylit fourth floor features 3 full bedroom suites including one with added garret level. The lower level, with 9 ft ceilings, has a wine cellar with tasting room, a professionally designed 17-seat home theatre complete with stage, a fitness room with adjoining anigre paneled spa/bath/sauna and natural quartzite steam room, a full size custom Snaidero catering kitchen and a laundry center with dog washing station. This pristine home has two staircases and an elevator that span all 5 levels, formal butler pantry with dumbwaiter, 9 fully functional fireplaces, 12 bathrooms, 2+ car heated garage with workshop. Smart home A/V system, commercial security system, hospital water purification system, energy efficient/multi zone HVAC.