You don’t have to be an art historian to know what the Mona Lisa looks like. In fact, you don’t have to know a thing about art at all. Like the most famous literary references or movie quotes, a basic knowledge of the world’s most iconic works of art is essential to improving one’s cultural literacy, especially in a time where visual art and pop culture seem closer together than ever.

While there are dozens of other great works of art and artists that could be easily added to this list, these are the 20 Pieces of Art Every Person Over 20 Should Recognize.

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