The one in the listings that's in Lewis NY,, is the one I had a chance at >30 years ago. That's the one I reffered to in a previous post.That's just about the only place I think I'd really feel secure underground. There's no way in Hell anyone could ever get in there. A friend of my pa's was a caretaker there for several years and I've had the grand tour before,, it's really something else,,,, very deep,,, strong and self contained 100%. There is a series of 3 blast doors that are massive that you can literally drive an 18 wheeler into and so many escape tunnels you could disappear if you had to,, but why would you want to if shit really did hit the fan? Those doors,,, several of them are made of armor plate and are about 3-4 feet thick and are operated hydryalicly or by huge electric motors. If I remember right Pa's friend said the main door weighted 80 tons or something like that,, and were assembled on site and the secondary doors,,several of them ,, were all built the same way but smaller, about the size of a small garage door, just about large enough to drive a average pick-up into. There are a series of doors at each entrance, not just one. It was designed to take a direct 50 mega ton explosion so I doubt very seriously, in a post appocliptic world anyone would have the means to defeat them. And some of the escape tunnel doors are totally hidden behind a rock vaneir on some of the doors, you can walk right up to them and look around all you wanted to and never realize there was even a door there. It's a pretty dam impressive site to see
I'm sure the person that owns it now and wants a partner would want way more than the 45K I could have gotten it for years ago though. No price was listed.