S1, E2: We tour England's iconic Tower of London; explore an impenetrable bastion in the South of France where a controversial literary giant was jailed; and visit an ancient German castle that may hold a centuries-old secret.


S1, E2: We tour England's iconic Tower of London; explore an impenetrable bastion in the South of France where a controversial literary giant was jailed; and visit an ancient German castle that may hold a centuries-old secret.