Alhambra (32) Apadana (21) Big Ben (28) Casa de Contratación (29) Colosseum (28) Estádio do Maracanã (22) Forbidden City (30) Great Library (23) Great Lighthouse (15) Great Zimbabwe (20) Huey Teocalli (18) Jebel Barkal (28) Kilwa Kisiwani (29) Kotoku-in (18) Machu Picchu (22) Mausoleum at Halicarnassus (23) Oracle (21) Oxford University (20) Petra (10) Potala Palace (23) Pyramids (27) Ruhr Valley (23) Statue of Zeus (27) Temple of Artemis (28) Terracotta Army (32) University of Sankore (20) Venetian Arsenal (35) Oxford University: The only thing worse than low Science output, which this wonder does a great deal to help with, is all those stray Great Writers strewn around your empire. I'm a military dictatorship, aren't you supposed to be censored or something? Don't you have anything better to do than block my builders? But this gets rid of one. Petra: Keeping desert cities around is a waste of Amenities you could be using to keep a smaller number of cities above the threshold.