Here are the top 3 most famous works of art, based on global recognition, historical significance, and visitor numbers:

1. Mona Lisa – Leonardo da Vinci (c. 1503–1519)

The most iconic painting in the world, housed in the Louvre Museum, Paris. Known for the subject's enigmatic smile and the masterful use of sfumato (smoky blending). It is the most visited artwork on the planet and a symbol of the Italian Renaissance.

2. The Starry Night – Vincent van Gogh (1889)

A post-Impressionist masterpiece displayed at the Museum of Modern Art (MoMA) in New York. Famous for its swirling skies, luminous stars, and expressive, thick brushstrokes. It is one of the most reproduced and recognizable images in modern art.

3. The Persistence of Memory – Salvador Dalí (1931)

A surrealist classic held at the Museum of Modern Art (MoMA). Famous for the melting clocks draped over a barren landscape, it has become a universal symbol of the fluidity of time and the power of the subconscious mind.

Note: If focusing on sculpture rather than painting, other frequently cited "most famous" works include Michelangelo's David and Auguste Rodin's The Thinker.