This Is What a $5 Million Model Airport Looks Like 153.64K Jeff Neumann 05/05/11 05:30AM Filed to: Photos Photos Models Germany Airports Gallery Gettypic Tweetg Yesterday, the Miniatur Wunderland in Hamburg, Germany, opened its model Knuffingen Airport — officially the world's largest model airport — after six years of construction time and over $5 million in costs. Impressive.[Images via Getty]