Nancy Giles goes in search of hidden rooms, and finds some of them in the most unexpected places. She talks with Steven Humble, founder of Creating Home Engineering, which specializes in building ...

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 ...

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 ...

Venture into the wild and witness **how to build** another incredible **underground house**! This time, witness the process ...