There are plenty of places to get "artistic" models, especially if you're willing to pay for them. (You might have to supply your own formaldehyde, though...)

Here are a few:

https://www.vectorart3d.com/

http://www.3d-archeolab.it/3d-virtual-museum/

http://www.cgtrader.com/3d-print-models/miniatures

http://www.threeding.com/