Flickr user fyngyrz lives in a 1940's era church converted into a house. He is in the process of making the big, empty box into functional spaces for his family.
Check out the bedroom loft (with a bridge to the music studio loft - just don't fall down!):
And check out the gorgeous library underneath the bedroom, where he used the ceiling joist as bookshelves:
More pics at fyngyrz's Flickr photoset - Thanks Ben!