The Magnetic Floating Bed

Though the most expensive piece of furniture is an antique, the magnetic floating bed that debuted in 2006 is arguably the coolest bed in the world. The bed floats 1.3 feet off the floor while holding 2,000 pounds of weight and costs $1.6 million.

The Wallis Simpson Bracelet

In 2010, the onyx and diamond panther bracelet that was once owned by Wallis Simpson, the Duchess of Windsor and most famous American for whom King Edward VIII abdicated the throne to marry, was auctioned at Sotheby's in London for $12.4 million.

The Dead Shark

In 2004, "The Physical Impossibility of Death in the Mind of Someone Living" -- an artwork consisting of a tiger shark preserved in formaldehyde inside a vitrine -- by artist Damien Hirst was reportedly sold to hedge fund manager Steven A. Cohen for a rumored figure of $8 million (though others have suggested $12 million). The taxidermy shark was initially preserved poorly and had to be replaced in 2007.

The Antilla

The most expensive home to date is a 27-story tower called "Antilla" in Mumbai that belongs to the head of a Mumbai-based petrochemical giant . The $1 billion home features 400,000 square feet of interior living space and features three helipads and parking space for 168 cars.