The document lists 10 of the greatest works of art ever according to Chaser Rubin. They include Leonardo da Vinci's "The Foetus in the Womb" from 1510-13, Caravaggio's "The Beheading of Saint John the Baptist" from 1608, and Rembrandt's "Self-Portrait with Two Circles" from around 1665-9. Other works mentioned are cave paintings around 30,000 years old, Jackson Pollock's "Number 31, 1950", Velázquez's "Las Meninas" from around 1656, Picasso's "Guernica" from 1937, Michelangelo's "Prisoners" from 1519-34,