We’ve all had that childhood dream of pulling a specific book on a library shelf and watching a wall slide open to reveal a hidden lair. While most of us assume that secret rooms are reserved for ...

A long-hidden escape route believed to be part of the Underground Railroad has been discovered inside a historic home in Manhattan, revealing what experts call one of the last intact shelter points of ...

Archaeologists in Milan have turned a 15th century sketch by Leonardo da Vinci into a working blueprint, tracing his inked lines to a network of hidden passageways beneath one of Italy’s most famous ...

A previously undocumented Underground Railroad site has been discovered inside the 1832 Merchant’s House Museum in Manhattan, revealing what researchers say is the earliest known location of ...