Carlisle Castle | English HeritageCarlisle Castle was a constantly updated working fortress until well within living memory. Now its rich and varied visitor attractions reflect its long and eventful history.History-making days out from £11.30* per adult *Includes a day ticket to Cumbria's Museum of Military Life Standing proud in the city it has dominated for nine centuries, Carlisle Castle remained a working fortress until well within living memory. It https://www.english-heritage.org.uk/visit/places/carlisle-castle/