Good Riddles

Question: I travel for miles yet stay where I am. What am I?

Question: I guide you but you can't hear me. Without me you would be lost. I keep going and won't be stopped. What am I?

Question: I am alive yet not alive. I can fly yet always on the ground. I am delicate yet can lift tonnes. What am I?

Question: Which gate can you not go through?

Question: What can be dying but not be dying?