Steven Humble, founder and president of Creative Home Engineering​, helps make the unbelievable believable with his hidden ...

Viral video just posted by a US rep shows a secret tunnel nestled under the floorboards of the US Capitol that, according to legend, was stormed by British soldiers in the War of 1812. Congressman Tim ...

Correspondent Nancy Giles goes in search of hidden rooms, and finds some of them in the most unexpected places. Giles speaks ...

An underground tunnel network long rumored thanks to drawings by Leonardo da Vinci under Milan’s Sforza Castle are proven to ...

Under the floorboards of the U.S. Capitol lie hidden staircases and passageways left over from ... congressional X account on Friday, showing a secret door in the floor of the Capitol.

A US congressman has shown off a little history and caused a little concern on the Internet, after filming a hidden ...

It was built as a secret passageway for the elite of Florence to pass undetected, far from the regular citizens. Now, for the first time in history, the Corridoio Vasariano, or Vasari Corridor ...

But it also has a secret door. A cabinet in the kitchen doubles as a door to access a set of stairs that lead to the second floor bedrooms, which were originally the servants’ quarters.

Secret passageways, trap doors and hidden rooms were standard in some of your favorite mystery series – like "Scooby-Doo" or Nancy Drew. You probably saw them coming. But in real-life ...