In the sixteenth-century Atlantic world, nature and culture swirled in people's minds to produce fantastic images. In the South of France, a cloister's painted wooden panels greeted parishioners with vivid depictions of unicorns, dragons, and centaurs, while Mayans in the Yucatan created openings to buildings that resembled a fierce animal's jaws, known to archaeologists as serpent-column portals. In Nature and Culture in the Early Modern Atlantic , historian Peter C. Mancall...