Across
- 3. - Ohio park along the Cuyahoga River
- 5. - Range spanning several national parks
- 12. - California park, home to giant sequoia trees
- 16. - America's first national park
- 17. - Massive canyon in Arizona
- 18. - Kentucky park with the world's longest cave system
- 19. - South Dakota park with rugged terrain
- 21. - South Dakota park with a complex cave system
- 24. - California park known for its deep canyons
- 25. - Arkansas park with thermal springs
- 27. - California and Nevada park, known for extreme temperatures
- 28. - Utah park featuring natural stone arches
Down
- 1. - Virginia park along the Blue Ridge Mountains
- 2. - Utah park known for its colorful sandstone formations
- 4. - Straddles the border of North Carolina and Tennessee
- 6. - Colorado park featuring ancient Pueblo cliff dwellings
- 7. - Arizona park known for its giant cactus forest
- 8. - California park comprising five rugged islands
- 9. - California park with towering ancient trees
- 10. - Florida's unique wetland ecosystem
- 11. - Michigan park located on an island in Lake Superior
- 13. - Utah park known for its hoodoos
- 14. - Utah park with towering red rock formations
- 15. - Park in Washington with diverse ecosystems
- 17. - Montana park with stunning glacial landscapes
- 20. - Alaska park, home to North America's highest peak
- 22. - California park with unique desert flora
- 23. - Famous for its granite cliffs and waterfalls
- 26. - Arizona park with fossilized trees
- 28. - Located in Maine, known for its coastal beauty