In the summer of 1942, to protect Anne Frank and others in hiding, Johan Voskuijl constructed a revolving bookcase to conceal the entrance to the Secret Annex at 263 Prinsengracht. As Nazi threats ...

In an era where every square foot is prime real estate, secret rooms are making a stylish comeback—not just as playful hideaways but as functional, design-forward sanctuaries. Once reserved for grand ...

“I have loved selling our beautifully crafted and expertly engineered hidden door bookcases for the past five years,” said Peggy Reed, owner of Hidden Doors by Design. “People are impressed with the ...