In deserts, jungles, underwater and under our feet, the world is littered with the remains of dead societies. What happened to them? Why did they fall? This course draws on history and archaeology to present narratives of collapse from ancient and recent times, examining general principles and specific proximate causes. Topics include, among others, ancient Mesopotamia, the Indus Valley, Rome, the Mongols, the Maya, and the Sudan in the mid-19th century, plus new light on Easter Island, the poster child of collapse.