Answer:
Runs smoother than any rhyme, loves to fall but cannot climb!
A muttered rumble was heard from the pen, and I, in my walking stopped to look in. What was this I saw? A massive beast, hoofed, and jawed. With spikes upon its mighty brow, I watched as he struck the turf and prowled. And yet for all of his magnificence, he couldn't get out of that wooden fence.
It floats over the land, It cuts the tallest mountain, Its voice is like a fountain, Its body like a snake, Will flow into a lake.
A red drum which sounds without being touched, and grows silent, when it is touched.
What begins and has no end? What is the ending of all that begins?
What never gets any wetter no matter how hard it rains?