Once only indicated through a sketch by Leonardo da Vinci from around 1495, concealed passageways have been discovered ...

From fortresses to ornate palaces, these structures are worth traveling for. This gorgeous medieval castle endured wars with little damage—in fact, it's looked pretty much the same since the ...

March 7. -- Visions of wealth vanished to-day when the sum of $1 was offered for the $100,000,000 (on paper) German estate of George Rupp, whose feudal castles are said to be located on the Banks ...

Now, scientists have uncovered a hidden feature underneath a medieval castle in Milan ... just ideas of innovative building: paper architecture that existed only as drawings on paper, one might ...