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. Which American theme park landmark was famously inspired by Neuschwanstein Castle?

4. From which region in Wales were the 'bluestones' of Stonehenge transported?

5. What does the name 'Teotihuacan' mean in the Nahuatl language used by the Aztecs?

6. What material was used for the outer layer of Christ the Redeemer due to its durability?

7. Which U.S. President on Mount Rushmore represents the 'preservation' of the United States?

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

9. Why does the Chesapeake Bay Bridge-Tunnel include tunnels instead of being a continuous bridge?

10. What is the geological term for an isolated mountain like Uluru that rises abruptly from a plain?

11. Which river is responsible for the erosion that created the Grand Canyon?

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

13. Approximately how many times is the CN Tower struck by lightning each year?

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

15. The shape of the modern Bibliotheca Alexandrina is intended to represent what celestial object?

16. During the French Revolution, what was the function of Mont Saint-Michel?

17. What technology is primarily used to propel the water in the Bellagio Fountains to such extreme heights?

18. Which famous river runs through Bangkok?

19. What is the climate in Bangkok generally classified as?

20. What is a popular way to explore Bangkok’s canals?