Abstract: The present invention relates to a navigation and search engine on data bases of speakers (I) pertaining to a landscape (P), the lines of data characterizing the speakers (I) comprising a field of address (Ca) of the speakers (I) in the landscape (P) as well as a series of fields of description (Ci) of the speakers (I) characterized in that it comprises an interface of visualization 3D which represents the landscape (P) starting from a discontinuous limited series of topographic surfaces (Si) with a navigation user 2D confined on each topographic surface (Si) and a filter of representation of the speakers (I) according to their address (Ca) in the landscape (P) which is actuated by the request of the user according to criteria's corresponding to the fields of description (Ci).