Across
- 1. - Tallest mountain in the world
- 6. - Famous canyon in the USA
- 9. - Archipelago in the Pacific
- 10. - Northern lights
Down
- 2. - Waterfall in Africa
- 3. - Large tropical rainforest
- 4. - National park known for geothermal features
- 5. - Largest hot desert
- 7. - Coral reef in Australia
- 8. - Waterfall between USA and Canada