Answer:
What can travel around the world while staying in a corner?
If you drive on this, pedestrians and the police will be pretty upset with you.
What has a head, a tail, is brown, and has no legs?
A defendant will go free if a reasonable amount of this exists.
Before Mount Everest was discovered, what was the highest mountain on Earth?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.