Any one every do the Great Horror Camp Out?
 

http://greathorrorcampout.com/#

The Old LA Zoo is a perfect location:
https://www.google.com/maps/place/Ol...58e32eac36c9d1

That sounds fucking amazing and I would do it in a heart beat if it was around these parts.
I went to a scare fest for Halloween a couple of years ago and although it only lasted about an hour loved it.

That sounds like a blast.