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
SK1467 : Patterns of fields north of Monyash by Andrew HillThe limestone grazing land is typically divided by dry stone walls. The top end of Horse lane can be seen in the distance.
www.geograph.org.ukToday's Photo of the day
UND2511 : Steinhude - Bockwindmühle Paula by BMG1900-Anhalt
Das Foto zeigt einen Blick zur Bockwindmühle Paula in Steinhude.
Random photo (doesn't have a daily photo)
WV5555 : Field beside Rue de la Mare by DS PughLooking across farmland near Jersey Racecourse.
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.