Liminal spaces are the subject of an Internet aesthetic portraying empty or abandoned places that appear eerie, forlorn, and often surreal. Liminal spaces are commonly places of transition (pertaining to the concept of liminality) or of nostalgic appeal.
https://en.wikipedia.org/wiki/Liminal_space_(aesthetic)
I took this photo in the basement of an "undead" mall in my city in Venezuela. It's both eerie and kinda sad.
Oh yeah that's nightmare fuel! I just had one where I was trapped in a dark underground parking garage and chased by something