Today, Google announced the completion of 54 3D models of the 2010 Winter Olympic venues in Vancouver. You can view these models in Google Earth by selecting in the 3D buildings layer. You can also view and tour the buildings by visiting the official 2010 Winter Olympics website and selecting the 3D View tab for any venue listed in the spectator guide.
http://www.freetech4teachers.com/2010/01/virtual-3d-tours-of-winter-olympics.html