Photograph from rhythmicwaves.com, 1970

Painting by Edward Burne-Jones, c. 1875-1883

Photograph by Rolfe, 1920s

Chess moves from Pressman Toy Corp., 1993

Series of subtitled stills from film by Ingmar Bergman, 1957

Still from film by Ingmar Bergman, 1957

Optical illusion developed by Edgar Rubin, 1915

Gates of palace of Sargon II at Khorsabad, 721-705 BCE

Performance installation by Marina Abramovic and Ulay, 1977

Terracotta sarcophagus, 520 BCE

Sculpture by Jeff Koons, 1990

Sculpture by Gian Lorenzo Bernini, 1621-1622

Photograph by wired.com, Drpoulette, Creative Commons

Photograph by huff_photos

Photograph from John Stabley, 2008

Photograph from the making of a film by Leni Riefenstahl, 1936

Photograph by Sylvietsak

Detail from fresco painting by Giotto, c. 1303-1310

Photo from Getty Images/AFP, 2008

Photograph from Smithsonian Institution National Anthropological Archives