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
SP3378 : Coventry : The Council House by Lewis ClarkeThe Council House, Coventry is a Tudor Revival style civic building which acts as the meeting place of Coventry City Council and was built in the early 20th century. It is a Grade II-listed building.
www.geograph.org.ukToday's Photo of the day
ULA3013 : Trier - Kurfürstliches Palais (Electoral Palace) by Colin Smith
Rokoko-Palais, erbaut 1757-61, entworfen von J. Seiz als Südflügel des Kurfürstlichen Schlosses.
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.