The initial Russian satellite images originated with the areas of first concern to the Russians during the cold war, hence the age of the photos and the specific areas photographed. Both SPIN-2 and the USGS continue to provide TerraServer with satellite photographs of the U.S. and the world. Hosted by the Edinburgh University Data Library, this server provides national online services for the UK higher education and research community. Generally, it has to be accessed from a registered institutioin. Digimap , just one of the available services from the above entry point, went live on 10 January 2000 in an effort to provide online access to Ordnance Survey map data for Great Britain.
Some districts have links to maps in their areas.
One example is the Tennessee River Index with numerous maps along the Tennessee River drainage and their TVA lock systems in Alabama, Tennessee, Kentucky and a bit of Mississippi. This page offered at least twenty resources the last time it was visited, some to the early historic Roman and Greek worlds that are not directly linked on this page. The History of Mapmaking Cynthia Lanius teaches mathematics at Rice University. Informative, illustrated, enjoyable - but brief. There is also a mirror site in Germany .