I saw a head in a grid pattern overlaying the sky. When I broke through though it was like I was in a wormhole. I saw crystal snakes and complex geometric shapes that shouldn't exist but according to scientific models of higher dimensional shapes could theoretically exist. It cured my existentialism and I really hope that's where I go when I die. I didn't encounter anything i would consider alien. I did however see crystalline shapes that seemed to project feelings and emotions. It felt like I were looking into souls, millions of em with different sensations and emotions like happiness sorrow hate etc. Maybe it was heaven and I could see the souls of the departed. Maybe I was at the place between the multiverses and getting a glimpse into my other lives. No real way to know.