Mysterious abandoned skyscraper, intricate Gothic Revival details, ivy-covered walls, broken windows, eerie fog, moonlight casting long shadows, dimly lit staircases, worn-out stone floors, mysterious underground tunnels, ancient clock tower, complex pipe systems, old blueprints scattered on dusty tables, forgotten lecture rooms, peeling paint, rusty metal railings, ornate door handles, abandoned construction materials, broken chandeliers, grand entrance halls, dusty bookshelves, forgotten laboratories.