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 daySM7730 : An Abundance Of Thrift by Deborah Tilley
Especially beautiful this year
Today's Photo of the dayUND6354 : Bleckmar - St.-Johannis-Kirche by Oxfordian Kissuth
Kirchenfenster in der SELK St. Johannis zu Bleckmar.
Geograph Britain and Ireland, also has a slightly simplified site schools.geograph.org.uk intended for use within Schools.