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 ...

Steven Humble, founder and president of Creative Home Engineering​, helps make the unbelievable believable with his hidden ...

A trap door in the Pompeian Room of the 16th-century ... the forgotten works were in pristine condition and had been hidden for nearly two centuries. “My first feeling was astonishment, immense ...