The Miniatur Wunderland model railroad in Hamburg , Germany is the largest in the world, with more than 10,000 train cars running around its 6.8 miles of HO scale track. Now, the makers of this huge layout have created a video that gives you a look at the vast scope of this intricate work of art. Its construction started in 2000, and is still underway, with a tiny airport due for completion by the end of this year. http://www.youtube.com/watch?v=PN_oDdGmKyA&feature=player_embedded Enjoy! Wanna kill these ads? We can help!