Originally Posted by
N965VJ
If that's the area I'm thinking of, there's some really cool bunkers from WWII there that I remember exploring when I was a kid.

That would be the area
I took some photos of the bunkers up there last month. Lots of WWII stuff.
There's some interesting WWII history up along the coastline north of SF on driving up CA 1 such as the "gopher holes" that were built for the scanning of enemy ships.