Systems and methods are described for enabling the monitoring and navigation of a complex of known rooms or facilities having known objects, attributes and/or people associated therewith, wherein different locations of the objects, attributes and/or people within the facilities are related and accessible over known, well-defined alternate paths. Sensor information may be used to facilitate the monitoring and navigation of the facility. At least some systems and methods may be used to enable the navigation of a building or a set of buildings by displaying an interactive graphical map of the building on a display device carried by a user.