More to Explore... Once a month, 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. Free tickets must be booked in advance. Click the links below to find out more. 2023 Tours Sunday 8 January | The Cathedral in the 20th and 21st Centuries Sunday 12 February | Heraldry in the Cathedral Sunday 12 March | The North Transept – in full! Sunday 16 April | Stained Glass – ‘for all the (male) saints’ Sunday 21 May | Flowers and plants in the Cathedral Sunday 18 June | Stained Glass – ‘for all the (female) saints’ Sunday 16 July | The Lady Chapel Sunday 20 August | 700 years ago - A Great Disaster Sunday 17 September | The ‘Other’ Wall Paintings Sunday 8 October | Stained Glass – Scenes from the Bible Sunday 12 November | From the Muniments Room