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 daySH5471 : Menai suspension bridge and Ynys Welltog by Oliver Mills
A view towards the Menai suspension Bridge from the viewpoint by the A5. Various islands that make up The Swellies can be seen in the foreground.
Today's Photo of the dayUMB6400 : Wetzlar - Blick über die Alte Lahnbrücke by BMG1900-Anhalt
Das Foto zeigt einen Blick über die Alte Lahnbrücke in Wetzlar in Richtung Hospitalkirche.
Geograph Britain and Ireland, also has a slightly simplified site schools.geograph.org.uk intended for use within Schools.