11. The Rosenheim Poltergeist (1967)
In Rosenheim, Germany, physicist Hans Bender investigated a law office plagued by electrical anomalies, flickering lights, and objects moving inexplicably. Extensive monitoring—including the use of scientific instruments—was employed to uncover possible causes. While some observers suggested clever trickery or psychological explanations, certain events, such as bizarre power surges and telephone malfunctions, were never fully explained. The Rosenheim Poltergeist case remains a classic example of how even rigorous scientific scrutiny does not always yield clear answers. Read more