Waterfalls

3. A natural wonder where water descends from a height.
4. A long and challenging journey, typically on foot.
6. Beautiful or picturesque, especially referring to a view or landscape.
9. A large area covered with trees and undergrowth.
11. Fine droplets of liquid suspended in the air.
12. The visible features of an area of land, often considered in terms of their aesthetic appeal.
15. A path or track for walking or hiking.
18. A sight or prospect, especially of a landscape or natural scenery.
19. An exciting and daring experience.
20. A long walk in the countryside or wilderness.

1. A fine spray or cloud of tiny water droplets in the air.
2. A deep gorge, often with a river running through it.
5. Solid mineral material forming part of the Earth's surface.
7. Steep, vertical rock faces or escarpments.
8. A narrow valley between hills or mountains, typically with steep rocky walls.
10. To travel through unfamiliar places in order to discover or learn more about them.
13. A series of waterfalls or rapids.
14. To dive or jump into water with force.
16. The natural world and all its phenomena.
17. A large natural flowing watercourse.