Lincoln Castle: Home to one of the four surviving original copies of the Magna Carta
Königstein Fortress: The fortress where European porcelain was born and one of its inventors locked
Hotel Geiger: providing escape from the industrial pollution of 19th-century Germany in style
A Medieval castle that became a prison, where people were locked for owing as little as $7
Ennis Friary: a Franciscan monastery lost in the abyss of time
RMS Lusitania: The luxurious ship that was sunk by a U-Boat, claiming 1,198 lives
