Sure, we've all heard about the book safe trick where a hole is cut into a book to hold money or hide rock hammers from a prison warden. This DIY booksafe from Instructables user craftknowitall ups ...

We may receive a commission on purchases made from links. Buildings with hidden spaces have long been a subject of public ...

Who hasn't dreamed of having a mystery-story-style secret passageway? While a trick bookshelf is pretty awesome in itself, this secret passage hides a home office with clever style. Lifehacker reader ...

What is it that compels us about a secret door? It’s almost as if the door itself and the promise of mystery is more exciting than whatever could lay beyond. In any case, [Scott Monaghan] is a lover ...