So here are 17 famous places with unexpectedly hidden rooms and passages. 1.For starters ... 8.Track 61 is a secret track at Grand Central Terminal that was used to carry FDR from Grand Central ...

From hidden passageways, panic rooms hidden behind bookcases and sliding walls that reveal a safe space, things aren't always ...

Now, Creative Home Engineering installs hidden doors, secret rooms, and trapdoors in homes ... dreamed of filling his giant house with secret passageways, but when he looked for a company to ...

A long-rumored network of secret tunnels sketched by Leonardo da Vinci has been uncovered beneath the Sforza Castle in Milan, ...

Rail engineers working on upgrades to a railway station in Wiltshire discovered a series of mysterious tunnels exposing the station's hidden history ...