Use Blender and LEAP Motion to fly through a city of your choice. User MagBen took Landshut as OSM File and converted it to a obj-file. Put it in the Blender Game Engine and controls a flying object with LEAP.
MagBen: I downloaded the downtown of Landshut from Open-Stree-Map as osm-file, then I converted it with OSM2World to a obj-file and imported it in Blender. In the Blender Game Engine (BGE) I developed with Python a Flight-Controller using Leap Motion.
Here you can get the blend-file and some explanations: