House renovation historians have found a 360-year-old passage hidden in a secret room.
Archaeologists have recently discovered the discovery of a hidden room in the underground palace of the Roman Emperor tycoon Nero.
Legalizing prostitution, using love seats when offering sex or giving your wife to others for good luck ... are strange things in the history of the Chinese room.
During Queen Elizabeth I's reign, the number of secret rooms increased dramatically.
Mount Rushmore is a famous mountain, where the faces of 4 US presidents have been carved.
During the survey to plan restoration to preserve the past, archaeologists discovered two secret rooms inside this castle.