The Mona Lisa as viewed from Leonardo's secret vantage point (d-point). The image on right has been highlighted to show outline of crocodile head. There are two big mysteries behind the Mona Lisa: her identity and her smile. Theories about the Mona Lisa range from bizarre. Leonardo Da Vinci's Mona Lisa is one of the most famous and most celebrated works of all time. The mastery of the painting lies in its subtle detail. The curiosity generally focuses on the lazy, sly smile of the famous shadowy work. But now, the Mona Lisa is at the center of another mystery after curators had Leonardo da Vinci’s Mona Lisa was copied by other artists and his students starting almost as soon as it was made in the first decades of the 16th century. Hers is the most famous smile in the world, visited and studied by thousands every year, a priceless work of art —the one and only Mona Lisa. The Mona Lisa (Monna Lisa or La Gioconda in Italian; La Joconde in French) is a half-length portrait of a woman by the Italian artist Leonardo da Vinci, which has. Discover a portrait of a younger and more beautiful Mona Lisa that predated the famous Louvre masterpiece. In September 2012, headline news shook the art world. The case study method of teaching applied to college science teaching, from The National Center for Case Study Teaching in Science Hers is the most famous smile in the world, visited and studied by thousands every year, a priceless work of art —the one and only Mona Lisa.