Photographs published on Flickr from the National Archives in the UK. These images come from the Colonial Office 1069 series.
http://www.flickr.com/photos/nationalarchives/collections/72157632012277853
This site has a collection of historic photographs submitted by users around the world with the stories behind them. Old photographs can also be viewed overlaid on Streetview so you can compare the old with the new.
http://www.historypin.com
Database of digitised images from the Alexander Turnbull Library, the research library within the National Library of New Zealand.
http://find.natlib.govt.nz/primo_libr...TF&dstmp=1276930544695&fromLogin=true
View photographs, maps, objects and artworks held at various archives, libraries and museums around Australia including State Libraries, the Australian War Memorial, the National Trust etc. Search under keyword for people, places, ships and more. Also included in the database are Flickr images submitted by the public.
http://www.pictureaustralia.org