Cost: ??? (as of May 2014)
Location: Casa Neverlandia, 305 Milton St W, Austin, TX
Website: http://www.talbotworld.com/
FULL DISCLOSURE: I have not actually done this yet. This is all conjecture.
I don’t really know if this guy gives tours of his house, but I’ve heard you can see it from the street. Need to see what’s up.