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 day
SS4846 : Lee Bay by Richard CroftUlfred Point and Broadoar Bay - Lee Bay, looking east
www.geograph.org.ukToday's Photo of the day
UNV3009 : Buoch: Flur "Biberäcker" by Andreas Gmelin-RewiakoRandom photo (doesn't have a daily photo)
WV5751 : Reservoir dam wall by DS PughLooking towards the dam wall of Val de la Mare.
www.geograph.org.ggGeograph 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.