Nature

5. A deep, narrow valley with steep sides, often carved by a river.
6. A sandy or pebbly shore along the edge of a body of water.
8. A high, elevated landform with steep slopes and often a peak.
9. A natural flowing watercourse, typically larger than a stream.
11. A land area saturated with water, such as swamps or marshes.
13. A large body of water surrounded by land, usually freshwater.
14. A natural underground hollow or passage, often formed in rock.
15. A cascade of water falling from a height, often creating a dramatic landscape feature.

1. A field of grass or vegetation, often used for grazing by animals.
2. A large mass of ice moving slowly over land, formed from accumulated snow.
3. A mountain or hill with an opening through which molten rock, ash, and gases erupt.
4. A vast expanse of saltwater covering a significant portion of the Earth's surface.
7. A large area covered with trees and undergrowth, often home to diverse wildlife.
10. A low area between hills or mountains, often containing a river or stream.
12. A dry, arid area with minimal precipitation and sparse vegetation.