Prompt: A 3D render of a portal to higher planes, gateway, threshold, entrance, exit, between worlds, liminal space, in-between place, neither here nor there, reality bending, reality dissolving, event horizon, mirage, illusion, inspired by Dali, Beksiński, Giger, Francis Bacon, surrealism, dreamlike, nightmarish, landscapes, symbolic, thought provoking, Lumion 10, CGI, atmosphere, mood, fog, mist, volumetric lighting, ambient occlusion, hidden depths, secrets, revelations, insights, masterwork, high resolution, crystal clear, photorealism.