Mystery Mansion is a fictional haunted house often featured in books, movies, and games. It typically includes eerie rooms, hidden passages, and ghostly inhabitants, creating an atmosphere of suspense and intrigue. Visitors or characters often explore the mansion to uncover its secrets and solve puzzles. The mansion is usually set in a remote location, surrounded by dark woods or foggy landscapes. It may contain various artifacts, such as old portraits, candelabras, and mysterious keys, which contribute to its haunted reputation. The storyline often revolves around a family curse or a lost treasure waiting to be discovered.