40,000 pieces of art now available from the Smithsonian
The Freer and Sackler Galleries of the Smithsonian museums has released a complete digital copy of their collections. The Open F|S initiative is free to use for non-commercial purposes.
The Metropolitan Museum of Art has released 396,095 high resolution images to the public
The Metropolitan Museum of Art has uploaded high resolution images from their collection that can be used in non-commercial settings. I looked at the Picasso collection, which returned 515 pieces of his art. Some of it wasn’t in very high quality, but I did find this piece: