They are massive stonebrick structures spanning multiple biomes and made of large hallways and bridges supported by stone-brick pillars usually 70-120 meters tall.

The Hallways manifest with a stone brick floor, covered by a red carpet, with wooden walls with log supports at 5-meter intervals. There are 4-meter tall arched windows between the supports. There are small chandeliers made of Torches and Fences hanging from the supports.