http://barsoom.msss.com/http/vikingdb.html
The Malin Space Science Systems (MSSS) WWW server provides images of the surface of Mars that the Viking orbiters acquired from 1976 to 1980. Malin is a company that designs, develops, and operates instruments to fly on unmanned and manned spacecraft. Malin allows the user to click on a map and view miniaturized versions of the images.