World building is a big part of the making of a movie – audiences need to believe in the world the filmmakers have created. But in some instances a movie is so big, you can visit their milieus in the real world… Here are 15 of our favourites – with 15 questions to match and a sweet $50 voucher up for grabs for six lucky winners… The closing date is 17 November, and winners will be announced on 18 November.