"How Well Do You Know the USA? — Easy & Hard

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Across
  1. 4. Which famous waterfall is on the US Canada border
  2. 5. Which Nevada city is famous for casinos
  3. 7. Which US agency is responsible for space exploration
  4. 8. Which famous natural wonder is in Arizona
  5. 10. Which US state is made up of islands
  6. 13. Which is the largest state in the continental US
  7. 14. Which Philadelphia hall is where the Declaration was signed
  8. 15. What is the national bird of the United States
  9. 16. What is the capital city of the United States
  10. 17. Which US state is the largest overall
  11. 18. Which president is on the penny
  12. 19. Which city is the capital of Colorado
Down
  1. 1. Which president served from 2009 to 2017
  2. 2. Which is the longest river in the United States
  3. 3. Which New York borough is known for its skyline
  4. 6. Which famous New York landmark is a gift from France
  5. 9. Which national park has famous geysers
  6. 10. Which California city is famous for movies
  7. 11. Which US state is known as the Sunshine State
  8. 12. Which US city is known as the Big Apple