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 daySH7213 : View W from Mynydd Moel by Gareth James
Looking over Llyn Gafr towards the coast at Barmouth.
Today's Photo of the dayUUT7629 : Herzberg (Elster) - Scheidelache by Schöne-Phila
Das Foto zeigt den Bachlauf "Scheidelache" in nördliche Richtung von der Brücke des Mühlwegs in Herzberg (Elster) aus gesehen.
Geograph Britain and Ireland, also has a slightly simplified site schools.geograph.org.uk intended for use within Schools.