1. A method for browsing and retrieving pictures in a picture database via a graphical user interface (GUI), said method comprising the steps of: capturing a digital image; receiving position information in the form of metadata corresponding to a geographical location where said digital image is captured; storing digital images and associated metadata in said picture database; generating a main display level having a first geographical metaphor with picture icons, each said picture icon corresponding to a group of pictures in said picture database captured at a specific location in said first geographical metaphor; and generating at least a second display level linked to said main display level, said second display level having a second geographical metaphor with greater geographical specificity than said first geographical metaphor with picture icons, each said picture icon corresponding to a group of pictures in said picture database captured at a specific location in said second geographical metaphor.