When did cities in ruins become a thing of beauty? When the eighteenth-century tourist thought them beautiful. The ruin "craze" that followed transformed the art world and turned art into a subjective experience that involved a new sensation: the melancholy mood. In his book "Sweet Sadness," Tyson Gardner personifies this mood and envisions the garden cemetery as Sweet Sadness's realm, where she reigns as supreme muse. A child of the eighteenth-century Enlightenment, the garden cemetery matured under the Victorians. In this memoir with pictures, Tyson shares his encounters with Sweet Sadness...