Wow, I didn't think my locations would be that hard to get to. Maybe the ones who know them don't want to go, and the ones who would like to go don't know them.
So, why don't you who can't make it but know one or more of the places, post the details here, so we have at least an off-road photo tag of some kind
Some final clues:
#1, how it really looks
It is in the center of a big circle and the city gave the county its name <cough>
The main entrance:
I'm resigning being IT and maybe whoever wants to be the next one just go to wherever and take a picture in your Orange County neighborhood.