Being able to fly around the globe in Google Maps or Google Earth and see 3D reconstructions of buildings and landmarks is admittedly a lot of fun, but most of these models have so far been pretty ...

It may not be the easiest 3D modeling software to use, but as a free program for Windows, Mac, and Linux, it's a good place to start if you're new to the scene.

Released by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT), the model displays a full 3D rendering of Tokyo’s 23 central wards including Shibuya, Ueno and Shinjuku.