TornadoSafeRoom.com makes these above ground storm and tornado shelters. They are tested to withstand wind loads of 450 mph and the 100 mph projectile test. While tough and easy to install, they are small and not the most comfortable way to survive a violent...
Apartment Therapy featured this simple, secret wall compartment hidden behind a pivoting panel. This panel is decorated with a #5 and conceals electronics, but it can be designed to fit whatever environment.