Luxury: The 10 Most Expensive Houses in the World

You can count on Forbes to tell you about the wealthiest and the most expensive this and that. They track everything money.

Here is their list of the most expensive houses for 2007. Perhaps by now the slump in housing prices would have caused a reduction in the value of some of these prized real estates. It's just fascinating how ostentatious some people's lives are. But hey, if it is yours, you have a right to do whatever you want with it. If only we all had it like that. Money does make a difference here on earth.

1. $138 million - Updown Court, Windlesham, Surrey, England
Several ballrooms and grand entrance ways punctuate this house, which has a panic room, an indoor squash court, bowling alley, 50-seat cinema, helipads, space for eight limousines and a heated marble driveway.

2. $135 million - Hala Ranch, Aspen, Colorado, USA
Until Tim Blixseth finishes constructing his $155 million Montana ski lodge, this 95-acre ranch owned Prince Bandar bin Sultan bin Abdul Aziz, former Saudi Arabian ambassador to the U.S., is the most expensive in the country.

3. $125 million - Maison de L'Amitie, Palm Beach, Florida - USA
In 2004, Donald Trump bought former health care executive Abe Gosman's palace, Maison de L'Amitie, center, at a bankruptcy auction for $41.25 million.

4. $100 million – Tranquility, Lake Tahoe, Nevada, USA
Conveniently on the tax-free Nevada side of Lake Tahoe, this 210-acre property is owned by Joel Horowitz, the cofounder of Tommy Hilfiger, who built the property from scratch.

5. $100 million - Waterfront Estate, Istanbul, Turkey
This residence offers more than 30,000 square feet of opulent living space in 64 rooms, which feature large windows looking to the water.

6. $99 million - Bishops Avenue, Hampstead, London, England
Just under the $100 million mark--depending on today’s exchange rate--the Toprak Mansion was built by Turkish entrepreneur Halis Toprak.

7. $75 million - Three Ponds, Bridgehampton, N.Y., USA
Three Ponds, which encompasses more than 60 acres of Hamptons farmland, is named for its surrounding lakes, but also features its own USGA-rated Rees Jones golf course.

8. $75 million - The Portabello Estate, Corona del Mar, California, USA
The triple oceanfront lot along the Pacific Ocean in Southern California is only part of what makes the Portabello Estate so pricey.

9. $70 million - The Pierre Penthouse, New York, NY, USA
This chateau in the sky occupies the top three floors of one of the poshest hotels in New York, located on the edge of Central Park.

10. $65 million - Cap Ferrat, Cote d’Azur, France
Nestled into the landscape about the port of Saint Jean, views from the main house and three guest villas include the ocean, Beaulieu and Monaco.