Photorealism is a labor intensive art form where the art is meant to look like a photograph.
You can buy original photorealism paintings on eBay.
And see, here for some other cool examples of photorealism.
Lots on manual labor goes into making good ohotorealism, a real craft:
Personally, I thinlk that photorealism is a safer way to invest in art because even though the artist many never become famous, the painting is hundreds of hours of labor, and hence will always retain some value.