From high art to full-blown kitsch, imitations of Leonardo da Vinci’s masterpiece Robert Hue, chairman of the French Communist Party, views a mustached Mona Lisa by Dadaist painter Marcel Duchamp; it ...

This stately Georgian home in Washington, D.C., is filled to the brim with art. But its owners may be hard-pressed to describe the artworks’ visual qualities. “They’re not beautiful,” said Aaron ...