Answer:
I build bridges of silver and crowns of gold. What am I?
The more of me you take, the more I appear behind you. What am I?
What kind of tree can you carry in your hand?
I can be swallowed, but I can also swallow you. What am I?
I am a path between high natural masses; remove the first letter to get a path between man-made masses.
What language does a billboard speak?