In case you were wondering where to be in late May/early June, here is a conference in Bernburg, Germany; with what seems to be an attractive program for geographers, engineers, landscape architects and designers among us:
Program: http://gisandscience.com/2012/02/29/dla-2012-conference-geodesign-3d-modeling-and-visualization/
Registration: http://dla.loel.hs-anhalt.de/dla2012/registration/

(via Tom Paradis)