Unsolved mysteries are intriguing events or phenomena that remain unexplained despite extensive investigation. These can include missing persons cases, unexplained artifacts, or strange occurrences that baffle experts and enthusiasts alike. Examples include the disappearance of Amelia Earhart and the identity of the Zodiac Killer, both of which have sparked numerous theories and debates over the years. Many unsolved mysteries capture the public's imagination, leading to books, documentaries, and even movies. They often involve elements of crime, history, or the supernatural, such as the Bermuda Triangle or the Wow! Signal. These mysteries continue to inspire curiosity and speculation, as people seek answers to the unknown.