Surely all of you have seen this work in some way. A red sky and a terrified person screaming. But what you may not know about "Scream" is that this work is a collection of four paintings, two of which are paintings, two of which are pastels, and an unknown number of which are prints. Scream is considered one of the best paintings in the world in expressionism style. Also, one of the Scream pastels was sold for 120 million dollars in 2012, making it one of the most expensive paintings in the history of mankind.