9. Former Danny Thomas Estate: $135 million

It doesn’t get much more expensive than Beverly Hills, California. And Beverly Hills doesn’t get much nicer than the former Danny Thomas estate, valued at $135 million. This 18,000-square-foot mansion features intricate gold-leafed ceilings, tile work and painted ceilings. You’ll also find $2.5 million worth of chandeliers and custom carpets. Think it can’t get better? It also boasts 360-degree views of Los Angeles, a pool and pavilions on site, as well as seven bedrooms and 10 bathrooms.