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 dayTF7904 : Approaching Cockley Cley on Pine Avenue by Evelyn Simak
The aptly named lane links the villages Cockley Cley and Beechamwell.
Today's Photo of the dayUMV6001 : Bad Herrenalb: Waldgebiet "Schörsighalde" by Andreas Gmelin-Rewiako
Der Hirschgraslochweg führt durch das Waldgebiet.
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.