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 dayTG5310 : Beach fishing at North Denes by Evelyn Simak
Scroby Sands windfarm can be seen in the distance.
Today's Photo of the dayUPV3277 : Blühende Felder nahe Zautendorf by Günter G
Random photo (doesn't have a daily photo)WA6008 : Butts at the Eastern end of Longis Bay by John Rostron
In the Trail Guide, this is described as a 'Targets Wall' or 'Rifle Butts' and was constructed in 1860. It was used for rifle practice. The white building at the left on the horizon is Essex Castle.
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.