Religious rituals have long been at the heart of human civilization, shaping cultures, laws, and daily life. Spiritual practices often reflect deeply held beliefs and values, but not all rituals have stood the test of time—or the scrutiny of modern law. As societies evolved, some rites were deemed too dangerous, controversial, or incompatible with changing ethical standards. Many ancient customs, once sacred, are now forbidden by governments worldwide. This article explores fifteen such rituals, revealing their fascinating histories and the complex reasons behind their prohibition.