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
SH5657 : View due East across Llyn Dwythwch by Eric JonesMoel Cynghorion and Yr Wyddfa are visible in the mist beyond the saddle. There are many legends involving the presence of Y Tylwyth Teg (the Fair Folk) associated with the Llyn Dwythwch area. ...
www.geograph.org.ukToday's Photo of the day
UTT9977 : Loburg - Pfarrhaus by BMG1900-Anhalt
Das Foto zeigt einen Blick auf das Pfarrhaus und eine Giebelwand eines anderen Hauses in Loburg.
Random photo (doesn't have a daily photo)
WV6151 : Jersey War Tunnels by Richard CroftBritain left Jersey defenceless during World War II and the Island was occupied by German forces who used slave labour to dig deep into the hillside to create over 1km of tunnels. http://www.jerseywartunnels.com/
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.