http://maps.google.com/maps/ms?ie=UTF8&hl=en&t=p&msa=0&msid=106484775090296685271.0004681a37b713f6b5950&ll=32.398516;-107.885742&spn=18.503807;35.332031&z=5&source=embed
This is really interesting; but the source of the data needs to be questioned very carefully! There are some good classes to be built around this idea of not simply believing everything that is on the web.
http://www.boston.com/bigpicture/2009/02/at_work.html
An interesting, visual look at the work people do around the world every day. If you are studying globalisation, the importance of labour, production techniques, issues of scale, culture or photography, this resource ought to be of interest. Like it or not, the work we do has a huge impact on how we are perceived, both by our selves and by others: looking at the huge range of work being performed can help put things into perspective.