Wikimedia Commons/Philip McQuade Gillette Castle William Gillette started buying land on a hill above the Connecticut River ...

Check out a gallery of photos of this newly constructed mountain estate in Flagstaff, complete with an unique 'secret' room, that fetched a record price.

Unlock the allure of luxury living! Hidden doors not only amp up the mystique of your abode, but they also redefine elegance ...

A US congressman has revealed a secret tunnel beneath the Capitol building. The passageway features an eerie spiral staircase.

Within the Tomb in Blue Prince there are a number of secret doors and hidden passageways for you to discover secrets for ...

Hidden Mountain Tiny Villa is $225K Park Model With Luxe Amenities and Secret Passages Features accent wall with television and fireplace, dog bowl filling station under the staircase By Atish Sharma ...

Discover a mind-bending art experience in Ohio where interactive installations, hidden rooms, and secret passages transport you to another dimension.

Suddenly, hidden doors had moved beyond safe passage practicality and became a social symbol of elegance and intellect. Designers created hidden doors with intricate designs and unique opening methods ...

There are more than 700 rooms in Buckingham Palace. But did you know there are secret passageways in the royal residence too? One of the most talked-about hidden doors was just revealed on Instagram, ...