Most Expensive Yacht - The History Supreme Yacht - $4.5 billion

Most Expensive Yacht - The History Supreme Yacht - $4.5 billion - This is no ordinary boat. The History Supreme is a yacht made from solid gold and platinum. It also contains statues made out of real dinosaur bones. It was bought by an anonymous Malaysian businessman.

Most Expensive Building - Antilia - $1 billion

Most Expensive Building - Antilia - $1 billion - Named after a mythical island, the only thing mythical about this building is its price. Owned by Indian billionaire Mukesh Ambani, this 34-story home is designed to withstand earthquakes, and it contains three helipads and a parking garage that holds 160 cars. Due to its mammoth size, the building requires 600 full-time staff members to keep it running.

Most Expensive Villa is Villa Leopolda - $506 million

Most Expensive Villa is Villa Leopolda - $506 million - The Villa La Leopolda is a sprawling estate in Villefranche-sur-Mer, which is on the French Riviera. At one point, it was used as a World War II hospital, but it's now on the market for $506 million.

Most Expensive (2nd) Work of Art - The Card Players - $275 million

Most Expensive (2nd) Work of Art - The Card Players - $275 million - The Card Players is a series of oil paintings by the French Post-Impressionist artist Paul Cézanne. One version of The Card Players was sold in 2011 to the Royal Family of Qatar for almost $300 million, making it the second most expensive work of art ever sold (after Interchange by Willem de Kooning).

Most Expensive Ring - The Graff Pink Diamond - $46 million

Most Expensive Ring - The Graff Pink Diamond - $46 million -  The famous Graff pink diamond has often been likened to pink champagne. British billionaire Laurence Graff purchased the 24-carat diamond at the Sotheby’s auction, paying a staggering $46 million for the rare gem.

Most Expensive Vintage Car - 1963 Ferrari GTO - $52 million

Most Expensive Vintage Car - 1963 Ferrari GTO - $52 million - After being purchased by an anonymous collector in the United Kingdom, this classic red beauty became the most expensive car of all time.

Most Expensive Watch Made from 201-Carat Gemstones - $25 million

Most Expensive Watch Made from 201-Carat Gemstones - $25 million - This extremely expensive timepiece by Chopard is a 201-carat luxury wristwatch that features 874 diamonds.

Most Expensive Domain Name Ever Sold - The Domain 'Insure.com' - $16 million

Most Expensive Domain Name Ever Sold - The Domain 'Insure.com' - $16 million - According to The Guinness Book of Records, Insure.com was the most expensive domain name ever sold. It now belongs to California-based marketing firm Quinstreet.

Most Expensive "Dead Shark" Art Piece - $12 million

Most Expensive "Dead Shark" Art Piece - $12 million - Most often referred to as "Dead Shark" (but officially named The Physical Impossibility of Death in the Mind of Someone Living), this piece was created in 1991 by English artist Damien Hirst. It's made of a tiger shark preserved in formaldehyde. It was purchased by an anonymous hedge fund manager.

Most Expensive Car - Gold-Plated Bugatti Veyron - $10 million

Most Expensive Car - Gold-Plated Bugatti Veyron - $10 million - This gold-plated Bugatti Veyron was made specially for a Middle-Eastern billionaire, and that billionaire certainly paid the price.

Most Expensive Photo - A Photograph Called Rhein II - $4.3 million

Most Expensive Photo - A Photograph Called Rhein II - $4.3 million - Rhein II is a photograph by German visual artist Andreas Gursky that was taken in 1999. In 2011, a print was auctioned for a staggering $4.3 million, making it the most expensive photograph ever sold.

Most Expensive Piano - Crystal Piano - $3.2 million

Most Expensive Piano - Crystal Piano - $3.2 million - This crystal piano was used for the Beijing Olympic Games, and it was purchased at auction by a private bidder for a record $3.22 million U.S. dollars! I bet it sounds like pure gold.

Most Expensive Magnetic Floating Bed - $1.6 million

Most Expensive Magnetic Floating Bed - $1.6 million - This magnetic bed floats a few feet above the ground, and it can support up to 2,000 pounds.

Most Expensive Parking Spot - Manhattan Parking Spot - $1 million

Most Expensive Parking Spot - Manhattan Parking Spot - $1 million

This parking spot in downtown Manhattan was sold for six times the average cost of an American home. As any New York City driver knows, that's a bargain!

Most Expensive Feather - $10,000

This is the most valuable feather in the world, since it once belonged to a Huia bird, which is now extinct. The bird's plumage was traditionally used to adorn Maori chiefs.