Waypoint navigation for a visitor to a facility is carried out according
to the following steps. Distributing waypoint devices in waypoint
locations of the facility. Transmitting waypoint identifier signals from
the waypoint devices. Providing a mobile wayfinder device in wireless
communication with the waypoint devices to receive the waypoint
identifier signals. Identifying an origin and a destination in the
facility. Generating a route from the origin to the destination and a
return route from the destination to the origin. Determining a current
location of the mobile wayfinder device. Determining a current navigation
instruction along the route(s) based at least in part on the current
location of the mobile wayfinder device, and communicating the current
location and navigation instruction information to the visitor.