Answer:
I am a ship that can be made to ride the greatest waves. I am not built by objects but built by minds.
The more you take away from me, the bigger I shall get. What am I?
I can wave my hands at you but I never say goodbye. You are always cool when with me even more so when I am high!
You will always find me in the past. I can be created in the present, but the future can never taint me. What am I?
I am a protector. I sit on a bridge. One person can see right through me, while others wonder what I hide. What am I?
Dark, feathery, and popular in Baltimore and fantasy books.