Add Yahoo as a preferred source to see more of our stories on Google. Secret passageways, trap doors and hidden rooms were standard in some of your favorite mystery series – like "Scooby-Doo" or Nancy ...

Add Yahoo as a preferred source to see more of our stories on Google. The door appears to be the height of the wall and hidden behind a mirror. The room it’s in has a fireplace, a sprawling rug and ...

What looks like an ordinary mirror hides a secret entrance. Once it opens, it reveals a hidden passageway that most people ...

Visitors to the Colosseum will be able to walk in the footsteps of emperors as the Roman landmark opens a once-secret passageway that the rulers used to enter the arena without mixing with the masses.

The Sims 4 Royalty and Legacy introduced players to the world of Ondarion and all of its mysteries. There is plenty to do in this world; Sims can have a good time solving riddles and completing ...

The secret passageway that once served the Roman emperors as a hidden entrance to the arena can now be visited in the Colosseum in Rome. Find out why the underground corridor is called the Commodus ...

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, you'd never ...

There's no shortage of interesting facts about Buckingham Palace. For instance, there are 240 bedrooms, 188 of them for staff. There's also a personal ATM, movie theater, doctor's office and, arguably ...