Image of the Big Dipper in the night sky

Photo by James Wheeler on Unsplash

John Tenniel's illustration of Tweedledum and Tweedledee

John Tenniel's illustration of Alice meeting Tweedledum and Tweedledee

Image of abandoned and overgrown house

Abandoned Bahamian house • Photo by Trish Hartmann (CC BY 2.0)

Painting of an assembly of Classical Greek thinkers

“The School of Athens” by Raphael (ca. 1510)

Image of man in suit making opening move at a chess board

Photo by Carlos Esteves on Unsplash

Image of a hummingbird feeding at a white flower

Bahama woodstar • Photo by Mike's Birds (CC BY-SA 2.0)

Illustration of medieval hospital ward with patients attended by nuns

16th-century depiction of a ward in Hôtel-Dieu

Portrait of an aged man drawn in red chalk by Leonardo da Vinci

“Portrait of a Man in Red Chalk” by Leonardo da Vinci (ca. 1510)

Image of the night sky illuminated by the Milky Way and the Zodiacal Light

The Milky Way and the Zodiacal Light • Photo by Luis Argerich (CC BY-NC 2.0)

Painting of St. Francis with head tilted in meditation

Detail from ”Saint Francis in Meditation“ by Caravaggio (ca. 1610)