Control Net

It's amazing what you can do with AI now. Using a image model that isn't necessary designed for doing this kind of work you can take a famous image like "View of the Wold from 9th Avenue" and turn it into a distopian cyberpunk esque futuristic image with just a few prompts -

You can do similar sort of things with the Mona Lisa, here's a more futuristic version looks like some sort of future warrior