Discover what factors helped Leonardo da Vinci’s “Mona Lisa” become the world’s most famous painting. -- More than 500 years after its creation, Leonardo da Vinci’s “Mona Lisa” is arguably the world’s most famous painting. Many scholars consider it an outstanding work of Renaissance art— but history is full of great paintings. So, how did this particular portrait skyrocket to unprecedented fame? Noah Charney explores the factors that helped create a worldwide sensation. Lesson by Noah Charney, directed by Avi Ofer.