Answer:
Power enough to smash ships and crush roofs. Yet it still must fear the sun.
What is a five-letter word that has brain in it?
This thing all things devours: Birds, beasts, trees, flowers; Gnaws iron, bites steel; Grinds hard stones to meal; Slays king, ruins town, And beats high mountains down.
A great mysterious place that the bold have been known to journey into.
What has a head, a tail, is brown, and has no legs?
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.