1. A mobile terminal, comprising: a camera; a memory; at least one display unit; a location detection unit configured to detect a current location of the mobile terminal; and a controller operatively connected to the camera, the memory, the display unit and the location detection unit, the controller configured to determine whether or not the camera is in an image capture mode, acquire a reference image corresponding to the current location when the camera is in the image capture mode, capture a preview image by the camera, and simultaneously display the reference image and the preview image on the at least one display unit while displaying information about the current location.