This week, it's Glendurgan Garden—famous for its magnolias, camellias, rhododendrons, and of course, the Maze. Now managed by the National Trust, the gardens were created by the affluent Fox family.

At the height of the Troubles in the early 1980s Ian Bownes, a young trainee psychiatrist in Northern Ireland, was sent into the notorious H blocks in Belfast’s Maze prison to assess if its ...