1. Tokyo is the capital of which country?

2. Which sea is the only one in the world that lacks any land-based coastlines?

3. Which city is the world's least populous national capital of a sovereign state?

4. Approximately how many living languages are spoken in Papua New Guinea?

5. What spice is Grenada most famous for, often referred to as the 'Spice Island'?

6. Which group built the city of Valletta in the 16th century?

7. In which South American country is the world's highest uninterrupted waterfall, Angel Falls, located?

8. Which iconic building in Lhasa was the winter residence of the Dalai Lama?

9. Salar de Uyuni in Bolivia contains the world's largest reserves of which element essential for batteries?

10. Why is Warsaw often referred to as the 'Phoenix City'?

11. What is the meaning of the Irish name 'Dubh Linn' from which Dublin derives its name?

12. On which high plateau is the city of Madrid located?

13. Liechtenstein is one of only two countries in the world with what landlocked status?

14. What does the name of Ethiopia's capital, Addis Ababa, mean in the Amharic language?

15. Which religious and military order founded the city of Valletta in the 16th century?

16. What is the name of the UN-patrolled buffer zone that divides the city of Nicosia?

17. How many 'Captains Regent' serve as joint heads of state in San Marino at any given time?

18. What ancient seafaring civilization, known for creating the first alphabet, was centered in modern-day Lebanon?

19. Uzbekistan is 'doubly landlocked,' meaning it is surrounded only by countries that are also landlocked. Which other country shares this status?

20. What is the name of the second-largest alpine lake in the world, located in Kyrgyzstan?