geodymap

Shows a map of a given place, or latitude and longitude,
lists all places and geographic features in the nearby,
links other popular mapping websites and tools,
like Google Maps, Google Earth, NASA World Wind,
and supports GPS devices.

Use the parameter -world to choose a planet or satellite other than Earth.
Available worlds are Earth, Moon, Mars, Mercury, Venus, Space (to locate stars in the sky).

Examples:
geodymap London (lists all places called London on Earth)
geodymap 41.900002 12.483333  (coordinates of Rome, Italy)
geodymap 41.347994 -9.238214 -world mars  (coordinates of the so called Face of Mars, in the Cydonia area)