Medieval Dublin 3D Model

The ability to view the city over time is core to data exploration and integration within a GIS. It also allows lots of nice visuals to be created and one excellent example is Medieval Dublin - From Vikings to Tudors - an interactive DVD box set that illustrates life in Dublin between 800 and 1540 AD:

The DVD explores a 3D model of the walled city, visiting a Viking house as well as strolling down a medieval street.

For more details see

Also, take a look at the Silverlight Deepzoom version in the hunt for something rather more seasonal...