I don’t know why this set me off, maybe because I have too much time on my hands, but I recently noticed a few folks talking about their future plans for “zombie survival bunkers”.
First, setting aside the complete lack of imagination this requires, let’s assume that we are talking about the typical movie zombie. Fast or slow, they have one thing in common: they can’t climb stairs very well. What this means is they can fall down stairs just fine. So go ahead and have your underground bunker straight out of Cold War paranoia (which is really what most zombie movies are still rooted in anyway). When you become a buried MRE for a zombie hoard don’t blame me.
So what would I recommend? So glad you asked. I’m thinking treehouse.
Let’s consider what you really need for defensibility. Inaccessibility is the first requirement. From zombies that means up, not down. Stairs work fine for this in most instances, although ladders are better. I especially like the idea of a rope pulley backup system. This serves the dual purpose of allowing you to haul up heavy supplies as well as getting yourself up in case of injury. If you’re too injured to make it up with a pulley system, I’m sorry to say your odds aren’t very good regardless, so don’t blame the treehouse.
The second thing you need is food and water. Fresh water is much easier to collect from rain when you’re, I dunno, in a tree than when you’re underground. As for food, assuming you live in the right kind of tree, you’ll have edibles close to hand, and if not, you’re no worse off than in your underground bunker. The difference is you don’t need to compromise the integrity of your defenses to build a greenhouse for growing food.
Speaking of things you don’t need to compromise your defenses to get access to, while everyone enjoys sunshine, there’s something else they enjoy even more, and that’s air! Yes, my treehouse fortress has just slightly easier access to fresh air than a sealed underground bunker. Sure, you could create air shafts, but like I said, that compromises your defenses, and it’s also a lot of work. If I feel like I need more air, all I have to do is drill a hole.
How about clear sight lines? You have to come out of that bunker sometime, and when you do those zombies might very well be waiting for you. Even if they aren’t this time, they could follow you back, and then what? You’re trapped in there. I can swing from tree to tree in a pinch, or better yet I can take shots at those zombies all day long.
Now sure, you can make arguments poking holes in the value of my plan. High winds, tornadoes, fires, and other natural disasters can all undermine the value of a tree fortress, but many of those can be planned for, and there are plenty of natural disasters that would be a total pooch screw for a bunker as well. Earthquakes, rockslides, and fires are problems your bunker won’t necessarily protect you from, and might even make worse. The difference is I can jump out of my tree and run.
It’s cool, though. Keep your bunkers. Just do me a favor and make sure they’re well stocked. I’m going to need somewhere to scavenge from.