This enigmatic portrait is perhaps the most famous painting in the world. The identity of the sitter and the reason for her smile have been debated for centuries. The Louvre museum in Paris has no intention of selling it, so its true value is impossible to determine.
This depiction of Jesus Christ as the "Savior of the World" was rediscovered in 2005 and later attributed to da Vinci. It was purchased by Saudi Arabia's Prince Mohammed bin Salman.
This abstract expressionist masterpiece by the Dutch-American artist was sold to hedge fund billionaire Kenneth Griffin.
This painting is one of a series by Cézanne depicting men playing cards. The Qatari royal family purchased it in 2011.
This colorful painting by Paul Gauguin translates to "When Will You Marry?" It depicts two Tahitian women and was purchased by a Qatari buyer in 2015.
This drip painting by the abstract expressionist artist Jackson Pollock was purchased by hedge fund billionaire Kenneth Griffin.
This captivating work by Austrian symbolist Gustav Klimt features a woman with flowing red hair and water serpents. It was sold to a private collector in 2016.