Safe rooms have been growing in popularity ever since the film Panic Room demonstrated how dramatic and exciting having one in your home could be. Or it could also be down to the fact that they're an effective home security measure, providing home owners with a fortified location to retreat to in the event of an imminent threat, such as a break-in or a tornado.
Of course, the problem with finding out about the most incredible incarnations of a security feature is that the people who have invested in said feature want them to remain secure. As such, they don't tend to indulge in a lot of online promotion. Nevertheless, here are some of the most incredible safe rooms.