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
TQ3265 : Around the Loop (1) by Dr Neil Clifton16 June 1999 was an important day for the Croydon tramway, as it was the first day for one of the cars to be allowed around the central on-street loop under its own power. The car chosen was No 2535, and it is seen here nosing its way down Crown Hill ...
www.geograph.org.ukToday's Photo of the day
UUT0946 : Dessau - Bärenuhr by BMG1900-Anhalt
Das Foto zeigt die Bärenuhr an der Ecke Antoinettenstraße in die Ferdinand-von-Schill-Straße in Dessau.
Random photo (doesn't have a daily photo)
WV4576 : Sark - Tintageu by Colin SmithSuperb cliffs along Sark's NW coast - view across Port a la Jument (foreground), Port du Moulin and Saignie Bay (distance). https://en.wikipedia.org/wiki/Sark www.sark.co.uk
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.