It's been confirmed that actor Robin Williams is selling his 653-acre Napa Valley Vineyard Estate for $35 million. Having owned the property since 1991, the house is 20,000-square-feet, and has an award-winning vineyard, infinity pool, and solar farm. With further amenities for wine-making, such as climate-controlled cellars, why would he ever want to get rid of this place? [Curbed]