Ferdinand van Kessel’s Four Parts of the World (ca. 1689)

Philipp Hainhofer’s Große Stammbuch (1596–1633)

A Hall of Mirrors: Cabala, Spiegel Der Kunst Und Natur, In Alchymia (1615)

Bruegel the Elder’s Big Fish Eat Little Fish (1556)

Snowball Fights in Art (1400–1946)

Clavis Artis by “Zoroaster”

An Iconic Line: Claude Mellan’s The Sudarium of Saint Veronica (1649)

A Monster in the Heart: Edward May’s A Most Certaine and True Relation (1639)

The Zodiac Man

Serviette Sculptures: Mattia Giegher’s Treatise on Napkin Folding (1629)

The Reverse of a Framed Painting, and Other Trompe L’oeil by Cornelis Norbertus Gijsbrechts (ca. 1670)

The Sorceress by Jan van de Velde II (1626)

Theatrum Chemicum Britannicum (1652)

London's Dreadful Visitation: A Year of Weekly Death Statistics during the Great Plague (1665)

Plague Doctor Costumes

François de Nomé’s Imaginary Ruins

“Firelight Flickering on the Ceiling of the World”: The Aurora Borealis in Art

John Reynolds’ Book of Murder Tales (1621–1635)

Jan van Kessel’s Signature of Caterpillars and Snakes (1657)

John Locke’s Method for Common-Place Books (1685)

The Notre-Dame Cathedral in Art (1460–1921)

Giovanni Battista Bracelli’s Bizzarie di Varie Figure (1624)

Highlights from The Cleveland Museum of Art’s release of more than 30k images of public domain works

Robert Fludd’s Memory Tricks (1617)