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 dayNB0533 : Drainage Patterns at Uig by Colin Smith
Meanders and sink holes are evident on the machair where sheep are grazing at Timsgearraidh / Timsgarry, Uig.
Today's Photo of the dayUUU3193 : Wittstock - Kleiner Graben by Colin Smith
Historische Haeuser in der Altstadt.
Geograph Britain and Ireland, also has a slightly simplified site schools.geograph.org.uk intended for use within Schools.