Robin Williams – $22.9 Million, Napa Valley

The death of actor Robin Williams took the world by surprise, as expected in any case of suicide. Robin left a legacy behind him and he boasted a career spanning nearly four decades. It was revealed by his wife that he suffered from a brain disease that possibly caused him to end his life prematurely. In his good days, he enjoyed his 20,000-square-foot Napa Valley estate, complete with a solar-powered farm and a full vineyard.