1. In which state are the Everglades?

2. Niagara Falls is on the border between Canada and which US state?

3. What is the name of the reservoir created by the Hoover Dam?

4. Which US city is known as "the Windy City"?

5. Which city is known as "the Big Apple"?

6. In which city is the Space Needle?

7. Which former prison island lies in San Francisco Bay?

8. In which Texas city is the Alamo?

9. In which city is the Liberty Bell, famous for its crack?

10. In which state is the Pentagon?

11. On which Hawaiian island is the state capital, Honolulu?

12. Which state has the longest coastline?

13. Which is the only state named after a president?

14. Which is the only state whose name has just one syllable?

15. What is the capital of Nebraska, named after a president?

16. In which state did Mount St Helens erupt in 1980?

17. In which state is Mammoth Cave, the longest known cave system in the world?

18. In which state is the Great Salt Lake?

19. How many standard time zones are there in the contiguous 48 states?

20. In which city is the Gateway Arch, a 192-metre steel monument to westward expansion?