The Cold War-era shelter, hidden below the Greenbrier Resort in West Virginia, was designed to house members of Congress in ...

I built this custom bookshelf door to reveal a hidden room behind it. In this video, I demonstrate how it seamlessly blends ...

I've always wanted a unique way to hide a room in my house, so I built this clever hidden door disguised as a shoe rack. In ...

An 89-year-old man sent a secret signal to his wife as a stranger threatened them with a gun and knife. Linda and Michael ...