Figure/Ground: Alphonse Allais’ April Fools Album (1897)

Festooned: Martin Gerlach’s Decorative Groupings (1897)

Astronomia Playing Cards (1829)

Flowers of Fire: Illustrations from Japanese Fireworks Catalogues (ca. 1880s)

Lewis Carroll’s Illustrations for “Alice’s Adventures Under Ground” (1864)

Alien Aqueducts: The Maps of Martian Canals

Clouds of Unknowing: Edward Quin’s Historical Atlas (1830)

Visualizing Migraines: The Attempts of Hubert Airy and Others to Depict Scintillating Scotomata

A Remembrance of Aerial Forms: Odilon Redon’s À Edgar Poe (1882)

Visualizing History: The Polish System

William Blake’s The Gates of Paradise (1787-93)

Images of Hatha Yoga from the Joga Pradīpikā (19th century)

Early Illustrations of the Nervous System by Camillo Golgi and Santiago Ramón y Cajal

Samuel G. Szabó’s Rogues, A Study of Characters (1857)

En Pleine Mer: The Underwater Landscapes of Eugen von Ransonnet-Villez

Herbert Geddes’ “Life in Japan” Collection: Hand-Coloured Glass Transparencies of the Meiji-Era

Kaspar Hauser’s Art (1828–1833)

Joseph-Balthazar Sylvestre’s Alphabet Album (1843)

Of Chickens, Eggs, and Cannonballs: Roger Fenton’s Valley of the Shadow of Death (1855)

Early Photographs of Juneteenth Celebrations

Kawanable Kyōsai’s Night Parade of One Hundred Demons (1890)

Henri de Toulouse-Lautrec’s Bed Series: An Intimate Look Behind the Scenes at a Paris Brothel (1890s)

Studies on Twilight Phenomena, after Krakatoa (1888)

Edouard Joseph d’Alton’s Illustrations of Animal Skeletons (1821–1838)