A 3D map of East London where elevation represents the rate of violent crimes between 2002 & 2003. Corrugated cardboard, 145h x 540w x 425d cm. Source: Abigail Reynolds. Mount Fear East London.
Toronto-based startup DataAppeal, which develops Web apps for 3D geo-spatial data visualization, created this very pointy stalagmite-looking elevation map of GTA Transit volume in Toronto. Sources: Andy Kirk (2013) 3D Printing Capabilility via DataAppeal Maps. Candice So (2013) Data visualizations go from flat to 3D.