It's present in the many ideas of https://discord.com/channels/123249867358208000/1127679920127082566 
(Also, using Super Reactions on these forums is counterproductive, as not everyone have them at their disposition or would spend them on a feedback idea.)
#Idea:Outside Dungeon Tiles
glacial plank
timber shuttle
Yeah we’ve been discussing a lot about what this would look like.
snow fossil
yea i did not see that conversation, but i would like to see layered dungeons be added.