Even as you pay for your hotel stay, there may be other guests—souls returning from the beyond—who are staying there for free. In this state-by-state guide, Robin Mead describes the settings and recounts the histories behind the hauntings, from the mischievous Victorian children that linger in the hallways of the Gingerbread Mansion Inn in Ferndale, California, to "Old Seth" Bullock, the first sheriff of Deadwood, South Dakota, who still keeps a watchful eye on the Bullock Hotel that bears his name.