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 ...

The idea of having a secret storage space or a hidden feature nobody knows about is very attractive for a lot of people. The ...

Under the floorboards of the U.S. Capitol lie hidden staircases and passageways left over from the iconic building's original construction in the 18th century, a viral video posted by Republican North ...

The Colosseum is a historical site atop many history buff's bucket lists, and a visit just got all the more enticing. For the first time in 2,000 years, tourists can walk where the emperor did through ...