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 dayNN1176 : Banavie Station by Ben Brooksbank
SE view, towards Fort William, on line from Mallaig. Ben Nevis (4,408 ft.) prominent 5 miles ahead.
Today's Photo of the dayUND5683 : See bei Hof Möhr by Christian K
Motiv an einem kalten Märztag: []
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.