<human>: What are the most famous paintings of the world?
<bot>: The Sistine Chapel ceiling by Michelangelo is widely considered to be one of the most famous paintings in the world. It was completed between 1508 and 1512 and depicts scenes from the Book of Genesis, including God's creation of the universe and Adam and Eve's expulsion from the Garden of Eden. Other well-known works include Vincent Van Gogh's Starry Night, Claude Monet's Water Lilies, and Pablo Picasso's Guernica.