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