Create an architectural structure that emanates pure dread and overwhelming mystery, defying all perceptions of safety and sanity. The design should incorporate grotesque, jagged forms, unnaturally warped angles, and surfaces that appear decayed, pulsating, or alive. Surround it with an ominous, hostile environment—like a storm-ravaged abyss, a suffocating forest of twisted, lifeless trees, or a barren wasteland under a blood-red sky. Use flickering, unnatural light sources and deep, engulfing shadows to amplify the terror. The structure should feel like it was built by something inhuman, with interiors that disorient and provoke visceral fear.