We may receive a commission on purchases made from links. Buildings with hidden spaces have long been a subject of public interest, with plenty of real-world history from ancient Egyptian tombs ...

His latest creation: you guessed it, is a secret bookcase door. For this tutorial, he took a regular book shelf and mounted it onto a wooden door, with the door itself functioning as the shelf’s ...

A “secret room” behind a bookcase in this country estate will surprise and delight even the most seen-it-all househunters. The home is for sale in Blackheath, New South Wales, in the picture ...