Recently, many online map services and navigational systems have become pervasive as pedestrians or drivers are easily guided by their smart systems. However, there are still some people who are struggling with route finding, even though they are using navigation devices. We often complain about the routes the navigational systems present on the increasingly popular positioning systems. However, before criticizing the limitations of the systems, we need to consider the human ability to recognize the real-world and to find routes. That is, a primitive question arises: why do people get so lost and how does this ability differ among people?