Walk into any of the world's museums or art auction houses, and you may question the authenticity of the artworks on display. Is that Picasso real? Did Modigliani really paint that masterpiece? The answer may be no, as many of these works could be the hand of Elmyr de Hory, a prolific art forger.

Real Fake: The Art, Life & Crimes of Elmyr De Hory
The art world's multibillion-dollar industry has been forever changed by the ingenious forgeries of a notorious 20th-century swindler.