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 ...

Expert DIYer April Wilkerson constructs a door shelving unit to maximize storage and display space efficiently.

How did a group of eight artists not only identify an inaccessible crawl space in the then newly developed Providence Mall — but also move in furniture, build a wall, and install a door, lock and key?