A Capitol is the first building a player receives when starting a game and is often the most important building of all. It can be used to create citizens, canine scout, Heroes, hot air balloons and to research various economic technologies.
It is not built in the tradition sense, it can only be formed by populating a Town Center with ten citizens. It can be populated with a further fifty. It boosts the morale of friendly units according to the number of houses nearby.