Hellish mountainous canyon, heavily influenced by a horrendous, nightmarish, and otherworldly atmosphere. Dark, saturated colors and intricate kaleidoscopic patterns create an abysmal, atmospheric, chaotic, eerie, foreboding, horrific, intimidating, macabre, mysterious, ominous, phantasmagorical, scary, tumultuous, uncanny, unsettling environment.  --no people, women. men