1. Da Vinci
May 2 marks the 500th anniversary of the death of Renaissance artist Leonardo da Vinci, and it will be marked with countless exhibitions around the world. In Paris, the Louvre is paying tribute to Da Vinci with an exhibition of major paintings that starts in October, while a show called "Leonardo Da Vinci: 500 Years of Genius" coming to Athens in the fall promises an immersive AV experience surrounding his inventions.