It can be found at the Morton Arboretum in Lisle, Illinois, USA.
https://streetartutopia.com/2024/02/15/hallow-sculpture-by-daniel-popper-in-lisle-illinois/
Check Daniel Popper out with your search engine of choice, because pretty much all of his sculptures are amazing.
“Made from glass-reinforced concrete, wood, fiberglass, and steel”
https://mymodernmet.com/daniel-popper-morton-arboretum/
I saw this one in Baltimore I believe! It was outside this coffee shop on some main strip. My wife and I were admiring its construction. It’s concrete and rebar and plaster. Super cool walking through.
Edit: I misremembered it was in Philadelphia
dingy crypt sounds