Miniature Wonderland ...

Miniatur Wunderland *** official corporate video *** largest model railway / railroad in the world :
http://www.youtube.com/watch?v=PN_oDdGmKyA

A few model trains in action on my model railway :
http://www.youtube.com/watch?v=ilgED4GQ_LA&feature=related

Amazing model train layout :
http://www.youtube.com/watch?v=bxmd6mUo7dk&feature=related
Reference :

Miniatur Wunderland Hamburg - model building - model ... :
http://www.miniatur-wunderland.com/