Orpheus (c. 1903-1910), by Odilon Redon — Source.

Study for the Nude Youth over the Prophet Daniel (recto) (1510-1511), by Michelangelo Buonarroti — Source.

Tahitian Series: Worship (19th century), by Paul Gauguin — Source.

The Race Track (Death on a Pale Horse) (c. 1896-1908), by Albert Pinkham Ryder — Source.

Arm of Eve (1507), by Albrecht Dürer — Source. The only surviving preparatory drawing for Dürer’s life-size panels of Adam and Eve in the Museo del Prado, Madrid.

Dragon and Tiger (1500s), by Sesson Shūkei — Source.

Hunting near Hartenfels Castle (1540), by Lucas Cranach — Source.

Chrysanthemums by a Stream (late 1700s-early 1800s), by follower of Ogata Korin — Source.

Women bathing before an architectural panorama (c. 1765), by Fayzullah — Source.

Two Children with Toys (c. 1855), by Unknown — Source.

A Eunuch's Dream (1874), by Jean Lecomte du Nouÿ — Source.

Nathaniel Olds (1837), by Jeptha Homer Wade — Source.

Demon in chains (c. 1453), by style of Muhammad Siya Qalam — Source.

Card Rack with a Jack of Hearts (c. 1895), by John F. Peto — Source.

Battle of the Nudes (1470s-1480s), by Antonio del Pollaiuolo — Source.

The Bewitched Groom (1544-45), by Hans Baldung — Source.

Fight between a Tiger and a Buffalo (1908), by Henri Rousseau — Source.

Portrait of Juan Maria Osorio (c. 1786), by Agustín Esteve y Marques — Source.

Peacock-shaped Hand Washing Device, an illustration from The Book of Knowledge of Ingenious Mechanical Devices (Automata) of Inb al-Razza al-Jazari (1315) — Source.

Shamsa, recto of the right folio from a double-page frontispiece of a Shahnama (Book of Kings) of Firdausi (940–1019 or 1025) (c. 1444) — Source. The shamsa, or sunburst, is an exquisite symmetrical pattern of floral and geometric shapes painted in precious pigments and gold to reference divine light.

The Burning of the Houses of Lords and Commons, 16 October 1834 (1835), by Joseph Mallord William Turner — Source.

Orchid Blossoms (1873), by Martin Johnson Heade — Source.

Helmet Mask (late 1800s-early 1900s), from Central Africa, Democratic Republic of the Congo, Suku people — Source. Suku helmet masks are often used in initiation ceremonies for young men in the society. The masks intend to protect the reproductive abilities of newly initiated males. Helmet masks such as this represent images of deceased elders in the society. They are believed to ensure successful hunting, help cure illnesses, and protect its wearer from evil. The handle was originally hidden by a fringe of raffia fibers. The gazelle or antelope shape is typically associated with folktales, proverbs, and personal hunting exploits.

Anthropomorph (c. 1500 - 1000 BC), from India, Bronze Age — Source. Among the few works of art known from the first millennium BC in India, anthropomorphs such as this fine example have an abstract formal appeal, but their meaning and function remain mysterious.

Oculate Being Mask (300 BC-AD 1), from Peru, South Coast, Paracas (Cavernas) style (700 BC-AD1), 300 B.C. to A.D. 1 — Source. This rare mask incarnates a supernatural being who may have been the patron of an early fertility cult on Peru’s south coast. Its traits insinuate power, especially the stuck-out tongue and the serpents that slither over the face to form a halo-like corona. Unexplained are the shape of the nose and the small figure wearing a similar mask. The mask could have served as the face of a mummy bundle or an object; the projecting eyes might rule out use by a living performer.

Dancing Satyr (500-475 BC), from Greece, Boeotia — Source.

Face Mask (late 1800s-early 1900s), from Guinea Coast, Ivory Coast, Baule — Source. This kple kple mask belongs to the first of four pairs of masks that entertain as part of a performance sequence in the goli dance. The male in each pair dances first. The masks are worn by young boys in a rapid stamping dance. The head of the male kple kple is painted red, whereas the female, like this example, is colored black.

Fishing Canoe Prow (1800s), from Polynesia, New Zealand, Maori people — Source. The swirls and spirals covering the face on this canoe prow replicate traditional facial tattoo patterns. Similar designs were used for post and gable figures that adorned both dwellings and compounds.

“Bear-Woman” Vessel (c. 1200-1000 BC), from Marlik, northwest Iran — Source.

Funerary Mask (1200-1500), from Peru, South Coast, Chicha-Ica Valley area — Source.