Part1

1. I don’t know the name XD (If you know please tell me thank you~ :) )
2. Britons - Aachen Cathedral
3. Chinese-Temple of Heaven
4. Japanese-Todai-ji Temple
5. Teutons-Maria Laach Abbey
6. Turks-Suleymaniye Mosque

Part 2:

1. Spanish-Torre del Oro
2. Saracens-Great Mosque of Samarra
3. Koreans-Hwangnyong Temple
4. Huns-Arch of Augustus
5. Mongols-Genghis Khan Tent
6. Vikings-Borgund Stave Church

Part 3:

1. Mayans-Temple of the Great Jaguar
2. Aztecs-Great Pyramid of Tenochtitlan
3. Byzantines-Hagia Sophia
4. Franks-Catherdral of Chartres
5. Celts-Rock of Cashel
6. Goths-Mausoleum of Theodoric
7. Persians-Taq-i Kisra Palace