Best Wind Tunnels in the World & Aerodynamics.
 

This was a article from a science and discovery magazine called Focus.
The same as mentioned on 5th gear about the 10 safest placed in the world.

http://img23.imageshack.us/img23/3120/page1-aeroS.jpg
http://img23.imageshack.us/img23/9569/page2-aeroS.jpg
http://img23.imageshack.us/img23/9592/page3-aeroS.jpg
http://img23.imageshack.us/img23/8859/page4-aeroS.jpg
http://img23.imageshack.us/img23/7774/page5-aeroS.jpg
http://img23.imageshack.us/img23/3504/page6-aeroS.jpg
http://img23.imageshack.us/img23/9705/page7-aeroS.jpg
http://img23.imageshack.us/img23/337/page8-aeroS.jpg

sounds interesting, thanks for posting it :D