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 daySE5443 : Trains around Colton Junction - May 2017 (2) by The Carlisle Kid
Headed by electric locomotive 91124, the 08.00 Virgin Trains East Coast passenger service from London King's Cross to Edinburgh approaches Colton Junction.
Today's Photo of the dayUTS9193 : Merseburg - Brunnen auf dem Domplatz by Schön-R
Das Foto zeigt den alten Brunnen auf dem Domplatz in Merseburg in Richtung des Gebäudes der Willi-Sitte-Galerie.
Geograph Britain and Ireland, also has a slightly simplified site schools.geograph.org.uk intended for use within Schools.