Arroyo Seco (Los_Angeles_County) and Devil's Gate Dam

https://en.wikipedia.org/wiki/Arroyo_Seco_(Los_Angeles_County)#Devil's_Gate_Dam

Things just might get a little too creepy overnight there.

https://arroyomonthly.com/is-the-arroyo-secos-devils-gate-the-seventh-portal-to-hell

https://www.atlasobscura.com/places/devil-s-gate

http://www.laalmanac.com/mysterious/my04.php

https://pinintheatlas.com/travel-blogs/devils-gate

Investigator David+Paulides has noticed some peculiarities with DEVIL or its variations as part of the name for certain places.

https://www.canammissing.com/missing-411--the-devils-.html 

https://thelosangelesbeat.com/2015/02/offbeat-l-a-highway-to-hell-the-mysterious-devils-gate-dam-in-pasadena

https://digitallibrary.sdsu.edu/islandora/object/sdsu%3A136071

So much energy and power.

https://en.wikipedia.org/wiki/Jet_Propulsion_Laboratory#Location

Then there is the power of life and death at the Diablo_Canyon_Power_Plant.

https://en.wikipedia.org/wiki/Diablo_Canyon_Power_Plant#Post-Fukushima_developments

Such ominous power and potential danger, indeed.

https://en.wikipedia.org/wiki/Diablo_Canyon_earthquake_vulnerability

https://desertshapes.blogspot.com/search?q=Diablo+Canyon