World's most expensive car

Bugatti Veyron - $1.900.000

The Bugatti Veyron EB 16.4 is a mid-engined grand touring car. It is the most expensive modern car in the world at US$1,900,000. The Super Sport version is the fastest road-legal car in the world, with a top speed of 431.07 km/h (267.85 mph). The original version has a top speed of 408.00 km/h (253.52 mph).
(World's most expensive car)
German inspection officials recorded an average top speed of the original version of 408.47 km/h (253.81 mph) during test sessions on the Ehra-Lessien test track on 19 April 2005.
(World's most expensive car)
In 2010 were 291 cars sold.

World's most expensive house

Leopolda Villa - $545.000.000

Villa La Leopolda is a large house in the French town of Villefranche-sur-Mer on the French Riviera.

(World's most expensive house)

Leopolda Villa is world's most expensive house.  Was built in 1902 by King Leopold II of Belgium as a present for his mistress Blanche Zélia Joséphine Delacroix, also known as Caroline Lacroix.

(World's most expensive house)

The villa appeared in the news in the summer of 2008 with reports of the Russian billionaire Mikhail Prokhorov having purchased the home at a price of approximately €500 million ($736m / £397m).However, the price reported at the occasion of a lawsuit in February 2010 was € 370 million, which still would have made it probably the world's most expensive villa.

La Leopolda invokes the style of the Belle Époque. It is registered as a French monument historique.