Funny Riddles

Question: Scientists are trying to figure out what is between Heaven and Earth.What is it?

Question: What building has the most stories?

Question: A man was sitting on his couch and searching for the English Channel.

How did he find it?

Question: What is one in every doll, in every doll, in every doll?

Question: My shallow hills are the faces of kings.
My horizon is always near.
My music sends men to the grave.
My absence sends men to work.

What am I?