Answer:
Neither bought nor sold but more valuable than gold. It is built but not by hand. What is it?
What word is the same written forward, backward and upside down?
Though desert men once called me God, today men call me mad. For I wag my tail when I am angry. And growl when I am glad.
I have rivers without water. Forests without trees. Mountains without rocks. Towns without houses.
What tree that definitely grows does not have a shadow and does not grow fruit?
You use it between your head and your toes, the more it works the thinner it grows.