Go to a virtual museum.
Here are some links. 
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The British Museum, London.
The Guggenheim, New York. 
Musée d’Orsay, Paris.
The J. Paul Getty Museum, Los Angeles.​
Uffizi Gallery, Florence.
The Lourve, Paris.
The Smithsonian, D.C.
The Met, New York.
The Vatican Museums, Rome. 
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