waterfalls in a hellish mountainous canyon / heavily influenced by a horrendous, nightmarish and otherworldly atmosphere / dark saturated colors / intricate kaleidoscopic patterns / abysmal / atmospheric / chaotic / eerie / foreboding / horrific / intimidating / macabre / mysterious / ominous / phantasmagorical / scary / tumultuous / uncanny / unsettling  --no people, women, men