Painting is one of the fewest forms of art that has been developed in the prehistoric time. It is quite an intriguing question that why cave man started painting. Was it completely out of necessity or out of whim? However, from the cave painting to the modern expressionism, the painting has come through a long journey that we, common people, barely can fathom. But most of the famous paintings of all time are the product of European renaissance and post renaissance time. Making a list of most famous paintings of all time is not an easy task. As you can see millions of dollars are spent by the collectors to buy famous painting. But most famous paintings of all time do not necessarily have to be the most expensive one.