A landmark is a recognizable natural or man-made feature used for navigation.
In modern usage, a landmark includes anything that is easily recognizable, such as a monument, building, or other structure. In American English it is the main term used to designate places that might be of interest to tourists due to notable physical features or historical significance. Landmarks in the British English sense are often used for casual navigation, such as giving directions. This is done in American English as well.
In urban studies as well as in geography, a landmark is furthermore defined as an external point of reference that helps orienting in a familiar or unfamiliar environment. Landmarks are often used in verbal route instructions and as such an object of study by linguists as well as in other fields of study.
Types of landmarks 
See also 
- Lynch, Kevin. "The image of the city". MIT Press, 1960, p. 48
|Look up landmark in Wiktionary, the free dictionary.|
- Media related to Landmarks at Wikimedia Commons