1. A navigation device displaying landmarks together with a guidance route on a map, said device comprising: a cartographic data storage part for storing cartographic data; a landmark information storage part for storing landmark information; an output part for at least outputting, for display, information needed for guidance; an input part for receiving positional information needed at least for route search; a route search part for searching for the guidance route on said cartographic data in response to said positional information from said input part; a display state determination part for determining, as to each of the landmarks on the guidance route found by said route search part, between normal display and emphatic display; and a display control part for bringing said output part to display the map based on the cartographic data read from said cartographic data storage part, to display said found guidance route on said displayed map, and to appropriately place and display the landmarks on said displayed map, wherein said display control part determines between normal display and emphatic display for each of the landmarks depending on a determination made by said display state determination part.