The secret entrance was a hit with fans who got to experience it. “If you are given the option to take the stair for Haunted Mansion at Disneyland, take it!” reads a Twitter post by ...

A hinge-swinging secret bookcase door is probably your best bet for building on a budget, but it's not the only option. You could also put this kind of hidden entrance into play using a sliding ...

The door could reveal a vault, the entrance to a playroom, or a television room. The hidden door idea started off as a way to cleverly conceal areas in the name of security.