More to Explore | The Exterior Before and After Restoration This is a tour of the exterior of the Cathedral’s architecture. Most of it has been restored and we will compare photos of how it was before with how it is now. We will discover that most, though not all, is Victorian. Learn more on this fascinating walk. Free tickets must be booked in advance | Donations welcome. More to Explore Tours Join one of our experienced guides to explore the hidden treasures of the Cathedral, discovering even more than you would on one of our usual tours.