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 ...

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 ...

Hidden rooms and secret passageways might sound like something out of a mystery novel. But some architectural details really can expose secret spaces behind walls or beneath floors. Isfira Jensen, CEO ...

Add Yahoo as a preferred source to see more of our stories on Google. There’s something undeniably thrilling about finding a place the rest of the world doesn’t know about. Behind unmarked doors, down ...