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
SK1080 : Eldon Hill, Derbyshire by Andrew TryonA lone tree above Slacksdale Farm in the Peak District with the summit of Eldon Hill behind (470 m, 1542 ft).
www.geograph.org.ukToday's Photo of the day
UNC8099 : Evangelisch-lutherische Kirche, Vöhrum (Lutheran church, Voehrum) by Schlosser67
Um 1700 durch Erweiterung eines mittelalterlichen Vorgängerbaus entstanden. (Built around 1709 AD by extending a medieval predecessor building.)
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.