Ghost signs are whispers from the past. Often faded, sometimes peeling or cracking, they are signs that reveal what a building once was, long ago. Sometimes workers uncover them when a building is being renovated and the outside surface is stripped away. When the new exterior is put in place, they are covered again, perhaps for decades. Sometimes they are signs that have never been covered, they just remain in place, long after the business that they name is gone. In any case, ghost signs are ephemeral pieces of history, each with their own story.