Infi-Map

The Infi-map is a near-complete map of the Ghost Zone, including all of the natural and man-made/artificial portals that connect it to Earth taking it user to the human realm or Ghost Zone, but some portals also lead to different places in time. An object of legend, the Infi-map is said to be able to lead a person to their destiny.

Anyone can get into and out of the Ghost Zone with it. It also serve as an address book/map "for a bazillion ghosts". The map also changes as the Ghost Zone changes.