Poetry books, collections, or anthologies that will make me question why I exist, what it means to be conscious, how to cope with the inevitability of death, is anything even real, etc.

Answers to these questions are optional. I'd prefer fairly dark and brooding moods, but am also open to authors that explore these topics through highlighting the simple, meaningless, yet formative joys of being alive (or a mix of both). I'm basically open to anything that will send me on a wild mental trip. I'm also looking specifically for poetry, rather than novels or memoirs. Thanks! 🙂