Rising above the Bel-Air Country Club on a private knoll in coveted Lower Bel Air, this extraordinary estate commands sweeping city-to-ocean views and holds a notable place in Los Angeles history as a former residence of first trillionaire. Hidden behind gates and approached by a long private driveway, the extensively renovated residence offers exceptional privacy, grand proportions, soaring ceilings, and sophisticated entertaining spaces. Highlights include a spectacular two-story library, temperature-controlled 1,000-bottle wine cellar, state-of-the-art fitness center, and an expansive primary suite with separate spa-inspired baths and oversized dressing rooms. A dedicated children's wing and separate two-room guest suite provide exceptional accommodations for family and visitors. The resort-like grounds feature vast lawns, a stunning pool and spa, multiple terraces capturing breathtaking views, and a championship north-south lighted tennis court. A five-car garage and expansive motor court complete the estate. With its celebrated former ownership, remarkable privacy, world-class amenities, and commanding views, this is a rare opportunity to acquire one of Lower Bel Air's most distinctive private compounds.