The Yellow Christ is a painting by Paul Gauguin depicting the crucifixion. The bold outlines and flatness of the forms in this painting are typical of cloisonnism. Together with The Green Christ, it is also considered to be one of the key works of Symbolism.

In 2010, Vatican researcher Sabrina Sforza Galitzia deciphered a "mathematical and astrological" puzzle she believes to be hidden in da Vinci's famous painting of The Last Supper. According to her translation, da Vinci's message predicts an apocalyptic flood that will sweep the globe from March 21 to November 1, 4006.

In 2011, an art collector paid $10,000 for a "non-visible" sculpture by Franco titled "Fresh Air" and billed as "an endless tank of oxygen".

The Factory became a well-known gathering place for distinguished intellectuals, drag queens, playwrights, Bohemian street people, Hollywood celebrities, and Warhol's wealthy patrons. Originally decorated with silver paint, fractured mirrors, and tin foil (adornments popular with amphetamine users during the 1960s) the Factory was famed for its groundbreaking parties.

"The Son of Man" came about from a friend's request for a self-portrait of Rene Magritte whose comment on it was that, "Everything we see hides another thing, we always want to see what is hidden by what we see." The painting depicts a man whose face is obscured by a piece of fruit.

Lysippus of Sicyon, in the Peloponnese, was a contemporary of Alexander the Great, who made him his court sculptor, decreeing that no one should paint his portrait but Apelles, and no one should make his statue but Lysippus. His works were all in bronze, and are said to have amounted to 1,500 in number. They represented Alexander and his generals in various characters, Hercules in many aspects, and celebrated athletes of the most naturalistic type.

Frida Kahlo--who began painting while recovering from a serious road accident at the age of 15--sent her early work to the painter Diego Rivera, whom she later married. Her works are often shocking in their stark portrayal of pain and the harsh lives of women.

"Sunday Afternoon on the Island of La Grande Jatte" was the most famous painting of Georges Seurat, founder of the 19th-century French school of Neo-Impressionism whose technique for portraying the play of light using tiny brushstrokes of contrasting colours became known as Pointillism. This painting inspired a Broadway musical by Stephen Sondheim entitled Sunday in the Park With George.

Edvard Munch painted "The Scream" after a walk with two friends during which he sensed an "endless scream passing through nature". To describe this experience, he developed an exciting, violent, and emotionally charged style that is recognized by most critics as leading to the birth of German Expressionism.

The Dada school of art, or Dadaism, can be traced back to Zürich and the poetry of Romanian-born Tristan Tzara. Born out of the widespread disillusionment created by World War I, Dada attacked conventional standards of aesthetics and behavior and stressed absurdity and the role of the unpredictable in artistic creation. The principles of Dada were eventually modified to become the basis of surrealism.