Can you please suggest "one of a kind" movies?

I have seen some really good movies which i feel don't fit into a specific category. They are just one of their kind and they hold their place. For example, perfume, upside-down, phantom of the opera, the curious case of Benjamin Button, the illusionist amd Hugo.

I know most of them are categorized as fantasy but they are really one of their kind movies. Can you suggest more like them?