At the push of a button on your smartphone, the zombie-proof “Safe House” in Poland can be transformed into a concrete fortress impenetrable by the undead. Spanning 6,100-square-feet, the home took approximately 4-years to build, and when things aren’t in lockdown mode, it’s a beautiful modern residence. The home requires a keycard for access to the entryway, gate and even the bedrooms, while high-resolution security cameras keep an eye out for intruders. When everything is locked down, the home can be controlled with your smartphone, and it even has an industrial-grade backup generator to keep things running. Click here to view the first image in today’s viral picture gallery. Continue reading for the five most popular viral videos of today, including a Jedi with a GoPro.