Across
- 5. Tallest land animal to ever exist
- 6. Tallest building in the world
- 10. Longest living organism on earth (extant)
- 11. Most numerous insect in the world (extant)
- 12. Largest bird to ever exist
- 13. Most popular book of all time
- 14. Largest extant reptile
Down
- 1. Largest star in the universe
- 2. Tallest human man ever
- 3. Largest land mass to have ever existed
- 4. Largest ocean in the world
- 7. Largest animal to ever live
- 8. Tallest tree in the world (extant)
- 9. Largest human gathering in the world
- 13. Largest vehicle in the world