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 daySO9691 : Canal Basin, Birmingham Canal near to Dudley Port by Mike Blake-Butler
This shows the canal basin on the Birmingham Canal (Wolverhampton Level) taken from across the canal in Portfield Drive
Geograph Britain and Ireland, also has a slightly simplified site schools.geograph.org.uk intended for use within Schools.