If you are interested in art, then Athens should be the place to go to next. The art scene in Athens is booming. New cultural spaces open almost daily. Studios and apartments are turned into galleries. For artists, living in Athens is cheaper than elsewhere. Artist have moved their studios from London and Berlin to Athens. And art is seen in Athens, not only bought.
Have you ever considered visiting an extraordinary Buddha statue somewhere? How about the one that stands tall in Lapland, Sweden. The statue is maybe not the most ancient work of art, but its geographical location is out of the ordinary, and out of the way. To get there, you will need one of Buddha's great virtues: Patience.