R'lyehian Architecture

R'lyehian architecture is an architectural style characterized by outwardly minimalist constructions that utilize bare materials such as concrete, while also utilizing rare and expensive materials for more detailed such as gold wiring and gemstones imbedded into the walls.
R'lyehian architecture very often utilizes Mgahoth'soth, or impossible geometry, which results in phenomena such as rooms being bigger on the inside, corridors that loop in impossible ways, or objects appearing bigger the farther they are away from an observer