Some people say it is the most famous painting in the world.
It can be found in Paris at The Louvre Museum. Mona Lisa was married to a rich man named Francesco di Bartolomeo di Zanobi. Mona Lisa's title name was Madonna, and in Leonardo's painting, she didn't wear any jewelry. It took Leonardo years to make all the layers of the painting, and make all the detail. Most of Leonardo's paintings have backgrounds of famuos places.