Miniatur Wunderland is a model railway and a miniature airport built in 17 years in Hamburg, Germany. It is the largest railway miniature in the world with its 1,500 square meters layout size. More than 1000 trains and 10,000 wagons are taking you on a world tour, starting from Italy. Miniatur Wunderland also includes seas using 30,000 liters of real water.
Since 2001, miniature artists have constructed landscapes from Austria, Germany, the USA, Switzerland, Italy, Monaco, Scandinavia, and South America. The artists also plan to cover more landscapes from Monaco, Provence, Patagonia, and Chile. Here is a video for more detailed information.