Miniatur Wunderland is a model railway and miniature airport attraction in Hamburg, Germany, and the largest of its kind in the world. The railway is located in the historic Speicherstadt district of the city. In October 2016 the railway consisted of 15,400 m of track in H0 scale, divided into nine sections: Harz, the fictitious city of Knuffingen, the Alps and Austria, Hamburg, America, Scandinavia, Switzerland, a replica of the Hamburg Airport and Italy. Of the 6,800 m2 of floorspace, the model takes 1,490 m2 .By 2020, the exhibit is expected to have reached its final construction phase, including at least a total of ten new sections in a model area of over 2,300 m2 . The exhibit includes 1,300 trains made up of over 10,000 carriages, over 100,000 moving vehicles, ca. 500,000 lights, 130,000 trees, and 400,000 human figurines. Planning is also in progress for the construction of sections for France, England, Ireland, Africa and Australia.

More details: https://en.wikipedia.org/wiki/Miniatur_Wunderland