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 ...

When it comes to interior design, people tend to invest in the things that guests will see when they come over. But more and more, homeowners are spending money on a specific detail that’s just for ...

I built this custom bookshelf door to reveal a hidden room behind it. In this video, I demonstrate how it seamlessly blends into the wall and smoothly swings open to uncover the secret space. I love ...

Homeowners are adding hidden doors and rooms to foil burglars, eke out extra storage space and prepare for Armageddon. Bookcase-fronted doors leading to hidden stairs at the Morgan Library & Museum in ...

I am hooked on Joanna Gaines' new Mini Reni series, and with its focus on small, easy-to-achieve projects, these episodes are speaking to me even more than the big, inspiring projects we've seen on ...

Sliding Door with Hidden Track, Ōmori House / ROOVICE. Image © Akira Nakamura The choice of door type and detailing can define or redefine a space entirely. Some ...

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 ...