All eight types of cities have unique buildings (the majority in creature generators), but have a few other buildings to aid your heros and defend it. However, there are some common buildings. Also, if a building is an upgrade to another building, it provides all the benefits of the previous building(s), unless noted.
Name/Image - The name and picture of the building.
Cost - The cost to build this building.
Prerequisites - What buildings you must have to build this building. If one of the buildings listed bold, then the building is an upgrade to the building in bold and is built "on top" of it.
Effect - The effect of this building on that city.