Across
- 1. – Ohio park named for a crooked river.
- 5. RAINIER – Washington stratovolcano capped by glaciers.
- 9. – Arizona gorge over a mile deep, cut by the Colorado.
- 11. – Maui volcano crater meaning “house of the sun.”
- 16. – Tallest trees on Earth thrive here.
- 20. – Largest U.S. National Park, with four major mountain ranges.
- 21. – Arizona desert preserve of fossilized conifers.
- 23. CAVE – World’s longest known underground cave system.
- 24. – Texas park where the Rio Grande curves sharply.
- 25. – Park above the Brooks Range, no roads lead in.
- 28. ROYALE – Remote wilderness, accessible only by boat.
- 32. – Named for a massive freshwater body near Iliamna Volcano.
- 33. – Home of the massive General Sherman Tree.
- 34. – Montana park named for ancient ice features.
- 36. – California park with boiling mud pots.
- 38. – Brown bears gather at Brooks Falls to catch salmon.
- 39. – Cliff dwellings built by Ancestral Puebloans.
- 40. SANDS – Dunes of gypsum create a white desert.
- 42. – Contains Furnace Creek, one of Earth’s hottest spots.
- 44. – Appalachian park shrouded in blue mist.
- 45. – Virginia park bisected by Skyline Drive.
- 47. – Maine park featuring Cadillac Mountain’s sunrise views.
- 48. – Over 2,000 sandstone formations in Utah.
- 49. – South Dakota park named for inhospitable eroded landscape.
Down
- 2. – Contains the tallest dunes in North America.
- 3. – Five California islands with endemic foxes.
- 4. – Spires formed from a Neenach Volcano remnant.
- 6. – Site of Old Faithful and America’s first National Park.
- 7. – Nevada park with ancient bristlecone pines.
- 8. – Minnesota water-based park named for French traders.
- 10. – Called the American Alps for rugged Washington peaks.
- 12. – Hawaiʻi park with Mauna Loa and Kīlauea.
- 13. – Texas park containing the state’s highest peak.
- 14. – Famed for El Capitan and Half Dome granite walls.
- 15. – Amphitheater of hoodoos shaped by erosion.
- 17. – Caldera lake formed by Mount Mazama’s eruption.
- 18. – Formerly Mount McKinley, tallest peak in North America.
- 19. – Florida archipelago fortress accessible only by boat or plane.
- 22. – Named for Navajo sandstone domes resembling a capitol.
- 26. – Utah canyon once named Mukuntuweap.
- 27. CANYON – Colorado gorge with steep Precambrian walls.
- 29. – Alaska’s Harding Icefield spawns glaciers here.
- 30. – Lake Superior island with wolves and moose.
- 31. – Encompasses rainforest, coastline, and alpine glaciers.
- 35. TREE – Desert park where spiny trees grow among rocks.
- 37. – South Carolina floodplain forest with champion trees.
- 41. – Utah park where the Green and Colorado Rivers meet.
- 43. – Alaskan marine park named for frozen rivers retreating into fjords.
- 45. – Arizona preserve named for tall cacti.
- 46. – Subtropical sawgrass wetlands and alligators.
