A truly massive, unsettling alien spaceship that is a iridescent cyclopean, non-Euclidean monolith 

shattered remnants of a once-mighty cityscape, leaning skyscrapers, debris, rubble, cracked streets. 

eerie, glowing fog. mutated flora

hazy city silhouette.

dusky red atmosphere and violets, black storm clouds, bizarre alien celestial bodies

Surreal and unsettling, combining dark, muted tones with vivid, otherworldly colors and elements. photorealistic rendering blended with fantastical, abstract features