Across
- 4. – Flat-topped mountain in Venezuela
- 5. – Formation of basalt columns in Northern Ireland
- 8. – Expansive gypsum sand dunes in New Mexico
- 9. – Slot canyon in Arizona known for its unique rock formations
- 10. – Icelandic volcano known for its 2010 eruption
Down
- 1. – Pink-colored lake in Australia
- 2. – Deepest and oldest freshwater lake in the world
- 3. – Natural gas field in Turkmenistan that has been burning since 1960
- 6. – World's largest salt flat in Bolivia
- 7. – Area with eroded rock formations in South Dakota
