If -- or when -- the zombie apocalypse finally happens, you have two options for living arrangements. You can either go deep underground, or you can ride out the mayhem in the comfort of your fortress home. We'd go with the latter. Thankfully, such an option already exists. Note the metal walls that save you from riots, which can lift to expose full-length windows that will let you see the damage done to our fair civilization as you sip contemplatively from a snifter of brandy.
h/t Viral Nova