Gothic novels are a genre of literature that emerged in the late 18th century, characterized by their focus on mystery, horror, and the supernatural. They often feature dark settings, such as haunted castles or remote landscapes, and explore themes of madness, isolation, and the uncanny. Notable examples include Mary Shelley's Frankenstein and Bram Stoker's Dracula. These novels typically include elements like ghosts, monsters, and psychological tension, creating an atmosphere of suspense and dread. The genre has influenced various forms of media, including films and television, and continues to captivate audiences with its blend of romance and terror.