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 daySJ9398 : Procession of Canada Geese on the Peak Forest Canal by Bill Boaden
The geese are swimming in line over the aqueduct that takes the Peak Forest Canal over the River Tame.
Today's Photo of the dayUMC5650 : Gütersloh, Wandbild an der Barkeystraße by Michael W
Das Bild zeigt die Gaststätte Türmer im Nachbarhaus
Geograph Britain and Ireland, also has a slightly simplified site schools.geograph.org.uk intended for use within Schools.