Freemasonry

Freemasonry consists of fraternal organisations that trace their origins to the local fraternities of stonemasons that from the end of the fourteenth century

History
Freemasons had a hidden lodge beneath the Aldwych station, behind a door maze with their symbols as a hint to which path to take.

There are couple of items the have left behind in Aldwych station: Two Solomon's Keys, and a Masonic Mallet. There is also an Ornate Star hidden in an alcove behind one of the curtains.