Answer:
A hill full, a hole full; yet you cannot catch a bowl full. What is it?
Face with a tree, skin like the sea. A great beast I am. Yet vermin frightens me.
I am always in front of you, but you will never see me. What am I?
This only turns over once you have travelled very far. What is it?
Two bodies have I, though both joined in one. The more still I stand, the quicker I run.
What never gets any wetter no matter how hard it rains?