This Opus spec house is perched above Los Angeles, having 20,500-square-foot of space inside. The house comes with a gold Lamborghini Aventador roadster and a gold Rolls-Royce Dawn being just the two inside the car museum for 10 vehicles. Mansion also has seven bedrooms, 11 bathrooms, 15-person curved screening room, two swimming pools, a champagne vault with 170 bottles of Cristal Champagne and two full bars as one has its very own wine station. Architects of the house say that this is only a precursor to their next masterpiece, which will cost a shocking $500 million.