Geograph is a concept and open source code for a online website to create a comprehensive collection of photographs capturing every part of given region.
Currently there are three active projects, shown below - including a photograph from each.
Today's Photo of the daySO4130 : Potato ridges by Jonathan Billinger
The sinuous curve gently leads the eye towards Cwm y Cotterell Wood in the distance.
Today's Photo of the dayUTT9949 : Der Elberadweg by BMG1900-Anhalt
Das Foto zeigt den Elberadweg durch einen Wald zwischen der Elbe und der Landstraße 63 in westliche Blickrichtung.
Geograph Britain and Ireland, also has a slightly simplified site schools.geograph.org.uk intended for use within Schools.