Sanctuary of the Frightened. Masses for Masses. The Excellent Access. One way inn. The Holy Holistics. Holy Waterworld. The Peter Principle. The Futuresafe. Bank of Tomorrow. Praise Palace. Lords' Lair. Den of Thebes. The Tithing Palace. Dove of Damascus. Winners Without Weapons. Outer Sanctum. Bigger Than Life.
i think the more simple or innocent it sounds the more deceitful it seems to be! try titles like the tower, the cathedral, the school, the block. really simple and misleading things! good luck on your book!