1. How many time zones technically converge at the South Pole?

2. Canada's southernmost point is at the same latitude as which European city?

3. Which country has the only national flag that is not a four-sided shape?

4. What is the shortest distance between the continents of Europe and Africa?

5. What is the 'Federal City' (de facto capital) of Switzerland?

6. A drop of rain falling on Triple Divide Peak in Montana can end up in which three oceans?

7. What is officially the largest desert on Earth?

8. Excluding Alaska, which U.S. state has the longest border with Canada?

9. Which U.S. state is unique for having no natural lakes?

10. Which country has coastlines on both the Caspian Sea and the Persian Gulf?

11. Besides Bolivia, which is the only other landlocked country in South America?

12. Which U.S. state is the only one to have a unicameral (single-chamber) legislature?

13. Which country is considered transcontinental because it spans the boundary between Africa and Asia?

14. The Casiquiare Canal is unique because it naturally connects which two major river systems?

15. What is the highest mountain in the United Kingdom?

16. Which continent has a permanent human population of zero?

17. Which two U.S. states share the record for bordering eight other states?

18. What is the largest landlocked country in the world?

19. Besides Vatican City, which other country has an officially square-shaped national flag?

20. The Northern Cardinal is the official state bird of how many U.S. states?