Watch as we handcraft a one-of-a-kind secret underwater house, complete with a hidden underground passage, using only ...

I gotta be honest: I just watched National Treasure, which led me to Google if there was actually a hidden room in Mount ...

The church, constructed by Francesco, served as the family’s burial site and of course, houses Leonardo’s ... and ideas for further studies on secret passages,” said Francesca Biolo, one ...

The secret of this $8.25m home and its James Bond-style passage, that holds not one but two hidden rooms, is that you have to ...

A series of underground passages have been found under Sforza Castle in Milan by experts at the city's Polytechnic University ...

Holding the retreat at a Trump property threatens to ignite the same kind of criticism that dogged Trump’s first term: that ...

In the Sea Cliff neighborhood of San Francisco, this grand residence has a celebrity past — but a charming family history.

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

Speculations have long circulated about the possible presence of hidden passages beneath Sforza Castle ... this castle has stood as a fortress, a home to royalty, and a symbol of political ...

The Sea Cliff home where Robin Williams lived for decades with his then-wife Marsha Garces Williams and their children has ...

The secret annex – one of the most famous dwellings in history, thanks to Frank’s best-selling published diary – can now be explored remotely in New York.