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
SD9197 : Buttercup meadow just E of Muker by Colin Parkwww.geograph.org.ukToday's Photo of the day
UPV6463 : Wiesenlandschaft am Moosgraben westlich von Pyrbaum by Günter GRandom photo (doesn't have a daily photo)
WV5454 : Beach at Le Pulec by DS PughLooking over the north end of St. Ouen's Bay with a receding tide.
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.