MOST favourite building
The hospital because of Dr. Hibbert's do surgery outdoors task, and the Bowlarama because it looks awesome animated.
Forum Discussion
Although Hank Scorpio is one of the best guest characters in any episode... on sheer cool factor I'd say the Bowlerama... but the Volcano Lair and Frinks Lab are just as awesome... then the Mapple Store and of course the Observatory... Tough question to answer!
