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 dayST5248 : A useful landmark by Neil Owen
This recumbent timber marks the junction of the paths in Ebbor Wood. Take the left route and you will wander right down the waterway that forms the Gorge.
Today's Photo of the dayUQC0537 : Köthen Jakobskirche by Heiko Kaiser
Kirche St. Jakob in Köthen, rechts daneben das Rathaus der Stadt -
Geograph Britain and Ireland, also has a slightly simplified site schools.geograph.org.uk intended for use within Schools.
... and a sub-project just focusing on images in Ireland, www.geograph.ie.
Geograph Germany/Deutschland, also has a German/Deutsch language version at geo.hlipp.de.