Köln is a big city close to other big cities, that is almost grown togheter with each other, if they ever will become one city, then it would be the biggest in Germany. Köln used to be the capital for long time ago too. Now it's Berlin.
The monsters at Frankenstein's Castle (Darmstadt, Germany) take a break from scaring guests during the Halloween festival & haunted house to perform to Michael Jackson's "Thriller".
