Across
- 4. This park used to be a dense tropical forest thousands of years ago, now it is a dry desert.
- 6. This national park in New Mexico looks like it is covered in snow year round, but it isn't snow.
- 8. This park has the tallest trees in the world.
- 10. This national park is in Arizona is very deep, at the rim you can look down a mile to the Colorado River below.
- 12. This national park has polar bears and there are no roads that go to it.
- 13. This national park in Colorado has the tallest dunes in the United States.
- 14. This is the hottest national park, it is in California.
Down
- 1. This national park has Half Dome, El Capitan, and many waterfalls.
- 2. This national park features an ancient city built into the side of cliff in the desert.
- 3. This national park sits on top of a supervolcano in Wyoming.
- 5. This national park is part of Michigan, but it is an island in Lake Superior.
- 7. This desert national park has a living organism in the soil. You need to try and step on the rocks here.
- 9. This national park in South Dakota is mostly underground.
- 11. At this national park you can see lava flowing into the ocean.