Secret passageways, trap doors and hidden rooms were standard in some of your favorite mystery series – like "Scooby-Doo" or Nancy Drew. You probably saw them coming. But in real-life, you'd never ...

Add Yahoo as a preferred source to see more of our stories on Google. Nancy Giles goes in search of hidden rooms, and finds some of them in the most unexpected places. She talks with Steven Humble, ...

We’ve all had that childhood dream of pulling a specific book on a library shelf and watching a wall slide open to reveal a hidden lair. While most of us assume that secret rooms are reserved for ...