A device with a display and a touch-sensitive surface: displays a geographic map in a first mode of an application, the geographic map including a plurality of landmarks, the geographic map being displayed at a first magnification level; detects a first input, the first input including a first finger contact at a location on the touch-sensitive surface that corresponds to a first landmark on the display; in response to detecting the first input: when the first input does not satisfy one or more predefined mode-change conditions, changes the magnification level in accordance with the first input and remains in the first mode; and when the first input satisfies the mode-change conditions, selects the first landmark and enters a second mode of the application; while in the second mode, detects a second input; and, in response to detecting the second input, displays information about the first landmark.