Humans leave a trail of artifacts that give insight into our civilizations, cultures, religions, and values at each moment in history. Many are valuable in monetary currency, others in historical significance. Here are the 15 most valuable artifacts you can find in museums.
1 of 15 Leonardo da Vinci's 'The Mona Lisa'
Painted by Leonardo da Vinci and permanently housed at the Louvre, the Mona Lisa attracts 6 million visitors per year. It has an appraised value of around $780 million and holds the highest insurance value of any painting in history.
(image via Flickr)