World wonder of the Modern era in Civilization VI Production cost 2100 File:Civ6Production.png Technology Image:Steel (Civ6).png Steel Effect Removed if game started after "I ought to be jealous of the tower. She is more famous than I am." –Gustave Eiffel The Eiffel Tower is a Modern Era Wonder in Civilization VI. It must be built on flat land adjacent to the City Center. * Effects: * All tiles in the owner's territory get +2 Appeal.