Depends on the meaning of the whole context - plural pilgrims or a single pilgrim?
if it's a single pilgrim, then it'll be placed as follows -> pilgrim's place
if it's multiple pilgrims, then it'll be places as follows -> pilgrims' place
Yes, I think she was created from sea foam.
He thought that marrying paris would cheer her up after the death of tybalt , this is what he said in the play
B a reflection showing what a character has learned
Yes I think he actually sleeps there because throughout the whole poem he talks about how he loves this girl an how beautiful she is. Also by the other Edgar Allen Poe poems and stories I've read by him he seems to talk about death and is very literal about it.