The house would have a two - level basement, closed to the public, conceived as an
underground studio where he would make his art — a
secret lair and such a natural extension of his overall artistic project that it seems like some kind of joke (it is tempting to think of it as a real - life «Fortress of Solitude,» Superman's hideout, which Kelley constructed in three - dimensional form and used as the central image in his final solo exhibition last September at the Gagosian Gallery in London).