Architecture is often the backdrop, rather than the subject, of the scary. For example, The Shining owes much to the Overlook Hotel, “haunted” is often followed by “house,” and Victorian architecture has come to be associated with the creepy. In a less supernatural manner however, architectural elements themselves have proven over history to be scary in their own right. With the clarity that only retrospect can offer, it’s easy to look back on the following macabre materials, bleak utilities, and terrifying technologies in horror... but perhaps what is most scary is to consider which aspects of architecture we might blindly accept today that will also become glaringly frightening with time.