Secret passageways to history 04:06. 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 ...

With Secret Stairs and Hidden Doors, a Castle-Like Estate Outside Washington, D.C., Swiftly Finds a Buyer The turreted Tudor-style home looks like something out of a fairy tale, and has a five-car ...