A rare architectural estate set on a premium 75 x 200 ft ravine lot in Lake Wilcox, Richmond Hill. Designed by award-winning Prosun Architects, this extraordinary residence has been recognized with the Living Luxe Architectural Innovator Award and the International Design Awards (IDA) Silver Award, and has been featured on HGTV. Offering over 7,800 sq. ft. of luxurious living space, this custom-built home features 5+1 bedrooms, 7 bathrooms and a 5-car garage. Inspired by biophilic design, the residence seamlessly connects architecture and nature through soaring 22-ft ceilings, expansive curtain wall glazing, skylights, a dramatic glass floor bridge and a spectacular glass-enclosed interior courtyard with a mature tree and tranquil water feature. Natural stone, sculptural finishes, white oak and Taj Mahal Quartzite create a warm, sophisticated palette throughout. The chef's kitchen features a striking fluted quartzite island, premium appliances, butler's kitchen and pantry. The private primary retreat offers ravine views, balconies, a spa-inspired ensuite and exceptional dressing room. Designed for both entertaining and everyday living, the resort-style backyard features a heated saltwater pool, cabana, pergola, outdoor kitchen, pizza oven, fire lounge and professionally landscaped grounds overlooking the ravine. The 10-ft walk-up lower level includes a theatre with a top-of-the-line projector and screen, 750-bottle wine cellar, wet bar, recreation lounge, gym, infrared sauna, guest suite and direct backyard access. Complete with elevator, smart-home technology, integrated audio, radiant heating and premium mechanical systems, this is a truly one-of-a-kind residence where luxury, wellness and architecture converge. Please note: Property taxes have not yet been re-assessed.