Thingaverse user Skimbal designed and printed this Gothic cathedral play set on his Makerbot. The design is actually modular, so you can build as little or as big of a set as you want. I love the description:
Have you ever wanted a Gothic Cathedral of your very own?
Are you intimidated by the centuries long construction schedule, and the punishing job requirements of being a European Bishop during the Dark Ages?
Then We Have a Thing For YOU!
The Gothic Cathedral Play Set!