The Most Expensive Luxury Homes in the World.

The official residence of the British monarchy, Buckingham Palace is one of the most iconic buildings in the world. The palace has been home to British royalty since 1837 and is currently the residence of Queen Elizabeth II. If you have a spare $1.55 billion, you could own this piece of history.

This French Riviera estate was built in 1902 for King Leopold II of Belgium and has been owned by a number of wealthy individuals over the years, including Greek shipping magnate Aristotle Onassis. The current owner is Lily Safra, the widow of Brazilian banker Edmond Safra. The estate spans 20 acres and includes 11 bedrooms, 14 bathrooms, and 2 guesthouses.

Antilia is a 27-story skyscraper in Mumbai, India that serves as the home of billionaire Mukesh Ambani, Chairman and Managing Director of Reliance Industries. Ambani’s home spans more than 400,000 square feet and includes features such as a garage that can fit 160 cars, a spa, a gym, several outdoor gardens, and a temple.

This Sagaponack, New York estate is owned by Ira Rennert, a billionaire investor and philanthropist. Fair Field spans 63 acres and includes 29 bedrooms, 39 bathrooms, 3 pools, 2 tennis courts, a bowling alley, and a basketball court. The home’s massive size has earned it the nickname “The Hamptons’ Versailles”.

This luxury condominium building in New York City’s Upper West Side has been home to a number of celebrities, including Denzel Washington, Sting, and Alex Rodriguez. The building’s amenities include a fitness center, spa, screening room, billiards room, and library. A 5,000 square foot duplex penthouse in the building was sold for $88 million in 2012, making it the most expensive apartment ever sold in New York City at the time.