Which underground communities do you visit (be it games, art, music, etc.)?
Don't feel bad if they don't overlap 100% with this space: as an example I frequently am on intfiction.org, as they are ace and fresh and innovative, even though they yet have to receive the Gospel of Free Software.
Other places I like:
Hehe to both you and @poVoq@slrpnk.net, I am not the biggest fan of contemporary architecture (despite being a fan of contemporary visual and plastic arts), but I can assure you that the structure felt quite at home among the mountains. It is made of stone (similar shade as the rocks) and the shape too (a mix of “research station” vibes and “fortress” vibes) kind of blends in.