World Most Expensive Paintings, Today you can read about the ranking of most expensive paintings in the world. This is a regularly updated list of works of art sold at art auctions in the twentieth and twenty-first century. Of course, assess the market value of the world's masterpieces would be sacrilege, and the rating is based only on the results of an auction, so the most famous paintings of the world, owned, public museums, the list does not burn. So, if to some connoisseurs to get lucky once in his private collection of "Mona Lisa", from his fat wallet he will have to pay a larger sum. But, fortunately, this situation is not possible.