Colossal Heads are a special tile improvement in Civilization VI. They can be built by a player that is the Suzerain of the La Venta city-state. * Effects: * +2 File:Civ6Faith.png Faith * +1 File:Civ6Culture.png Culture (requires Humanism) * +1 File:Civ6Faith.png Faith for every 2 adjacent woods or rainforest.