As long as we’re nerding out on amazing map websites, I need to bring up a great resource brought to us by the European Environment Agency (i.e. the government).
EEA’s web page has tons of thematic maps about all kinds of social science themes. I have only dipped a toe into this cartographic sea, but I already found a gem:
This map showing patterns of sprawl since 1990, indicates that most of the sprawl is happening in the Netherlands and Germany, with some big pockets in Spain and Ireland.
There are also some great charts on this site. For example, this one showing transportation infrastructure as a percent of land use in the 13 accession countries:
I predict hours will be wasted exploring the EEA site!