1. What was the name of the underground complex used to manage animals and fighters at the Colosseum?

2. Angkor Wat was originally dedicated to which Hindu deity before becoming a Buddhist site?

3. The geometric design of the Sydney Opera House shells was inspired by which simple object?

4. What does the Arabic name 'Alhambra' translate to in English?

5. What is the popular nickname of Himeji Castle due to its white walls and elegant shape?

6. Until 2018, which statue held the record for being the tallest in the world?

7. Which woman is credited with managing the final years of the Brooklyn Bridge's construction?

8. The roof of the ArtScience Museum is designed to collect and recycle which natural resource?

9. The bronze-colored lattice wrapping the NMAAHC pays tribute to the historic craftsmanship of which group?

10. The design of the Oriental Pearl Tower was inspired by which traditional art form?

11. Times Square was originally known by what name before being renamed in 1904?

12. What is unique about Djemaa el-Fna's UNESCO recognition?

13. What architectural style is the Mercado de San Miguel most famous for?

14. What color are the tiles on the interior side of the Bab Bou Jeloud gate?

15. According to local legend, how did Guru Padmasambhava reach the site of the Tiger's Nest?

16. The Grand Canal connects the current capital, Beijing, to which southern city?

17. What is the primary material used for the foundations of the buildings lining the Grand Canal?

18. What was the primary purpose of the massive circular stone doors found in Derinkuyu?

19. What was the original 19th-century functional purpose of the Jet d'Eau?

20. What is the popular nickname for the Beijing National Stadium due to its lattice-like steel exterior?