After two housebound staycations, I had promised Little C that as soon as lockdown ended, we’d head to the Northumberland coast for an adventure. While some castles were closed and other places were booked up online, it wasn’t easy to find somewhere that would live up to Cyrus’s expectations. Lovely Day Out We had initially visited Dunstanburgh Castle, a 40-minute drive from our home in Newcastle. While it was a…