There have probably been secret societies since the first homo sapiens formed the first community.  Whether based upon principles of religion, politics, or philosophy, these societies all have certain common characteristics.
They are, by their very nature, exclusionary; they tend to have secret ways of recognizing fellow-members; they tend to have secret initiation rituals; and they usually develop their own myth-based histories and symbology.  Here you will be able to explore and uncover the secrets of the best- and least-known of the mysterious societies around us.