Across
- 2. Tree - Desert park with unique trees
- 5. - America's first national park
- 7. - Central California park known for rock formations
- 9. Canyon - Utah park with hoodoos
- 10. - Northeastern park in Maine
- 13. - Florida's unique wetland preserve
- 17. - Home to giant trees in California
- 19. Mountains - East coast range along Tennessee-North Carolina border
- 21. Canyon - Massive Arizona chasm
- 25. - Alaska's land of brown bears
- 26. Roosevelt - North Dakota park named after a president
- 27. - California's tall tree haven
- 28. - Utah park with red rock canyons
- 29. Valley - Hottest place in the U.S.
- 30. - Virginia's scenic mountain park
Down
- 1. Valley - Ohio preserve along a river
- 3. - Washington's diverse coastal park
- 4. Smoky Mountains - Ridge-straddling park on the border of two states
- 6. Caverns - New Mexico's underground wonder
- 8. Islands - California park with offshore isles
- 11. Verde - Colorado's ancient cliff dwellings
- 12. - Home to El Capitan and Half Dome
- 14. - Montana's pristine mountain preserve
- 15. - Arizona park with towering cacti
- 16. Springs - Arkansas park with thermal waters
- 18. - Utah's natural sandstone arches
- 20. Cave - Kentucky's extensive underground system
- 22. Volcanoes - Island park with active volcanoes
- 23. - Tallest peak in North America
- 24. Mountain - Colorado's high-altitude park