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 daySZ7298 : Hayling Island Beach by Alan Hunt
The shingle beach at Hayling Island still quiet despite being a bank holiday weekend.
Today's Photo of the dayUMV2350 : Annweiler Schwimmbad von hoher Warte by Klaus Graßmück
Bild aufgenommen vom Großen Sommerfelsen. Bundesstraße 10 und 48 mit Kreisverkehr
Geograph Britain and Ireland, also has a slightly simplified site schools.geograph.org.uk intended for use within Schools.