The Mysterium Fidei Museum is an immersive experience that will take you to a world within a world; into the underground complex lying beneath St. Catherine’s Monastery in Valletta. Monastic nuns who chose to lock themselves from the outside world, till death and beyond it. Immerse yourself into everyday life at the monastery and the fascinating secrets hidden within these walls. Travel through time from the era of the Knights of St. John, to this day. Take an audio tour of the complex, and stand in rooms used for work, prayer, restraint, and the sleep of death. The audio tour is available in seven languages: English, Maltese, French, Italian, Spanish, German and Russian. We invite you to come and witness. This is truly a mystery of faith!