The Miniatur Wunderland in Hamburg, Germany is over 1,000 square meters, computer controlled, and has a team of 150+ working over 500,000 hours on it so far. This model railroad miniature version of the planet was started in 2001 with two layout areas. By '07, the seventh, was opened.

It makes the Lionel set my dad and I built in the basement when I was nine (and when I say "dad and I built" I mean "he built." My official job was to "stop touching that"), look like it was put together by a bunch of monkeys on Seconal.