1. A portable terminal comprising: a Global Positioning System (GPS) configured to provide a position of the portable terminal; a camera configured to capture an image of a feature; a sensor configured to detect a direction of the camera; an image geographic information part comprising image information; an image processor configured to extract a characteristic of the captured image of the feature and compare the extracted characteristic with image information stored in the image geographic information part; and a controller configured to proportionally compare, in response to recognizing a specific feature through the image processor, configured to, geographic information of the image information with size and direction data on a peripheral feature near the feature within the captured image, and recognizing the peripheral feature.