St Paul ' s Cathedral St Paul ' s Cathedral was a cathedral in the city of London , known for its large size and distinctive dome . Encounters at the Cathedral . In 1561 , the Silence built a time capsule disguised as a tower of the Cathedral , which the Eleventh Doctor and River Song stole and used to batter through a time lock in London in 2106 . ( GAME : " The Eternity Clock " ) When he visited London in 1762 , St Paul ' s Cathedral was the only landmark that Steven Taylor recognised from his first visit to the city in 1912 . ( AUDIO : " The Suffering " , " The Founding Fathers " ) During a visit to London in February 1814 with the First Doctor , Vicki Pallister noticed the dome of St Paul ' s Cathedral and mentioned that the cathedral still stood in the 25th century , having survived World War I , World War II , World War III , World War IV and the 22nd century Dalek invasion . ( AUDIO : " Frostfire " ) Once , while the Twelfth Doctor and the Half - Face Man were grappling with each other at the door of the SS " Marie Antoinette " ' s escape pod in the 1890s , the escape capsule flew over St . Paul ' s Cathedral . ( TV : " Deep Breath " ) In the late 1960s , the Cybermen invaded Earth close to the St Paul ' s Cathedral . The Second Doctor was snatched up by UNIT to help them fight the Cybermen . ( TV : " The Invasion " ) St Paul ' s Cathedral was tagged by graffiti artist Monos . ( COMIC : " Sticks & Stones " ) During a tour of London , the Eleventh Doctor , Amy Pond and Rory Williams visited St Paul ' s Cathedral , where they got thrown out of the Whispering Gallery for shouting . ( PROSE : " Magic of the Angels " ) After the death of Danny Pink , the TARDIS took the Twelfth Doctor and Clara Oswald to the base of 3W . The telepathic controls deducted that this would be the place where Clara and Danny would next meet . It was revealed that the base was filled with tombs containing dozens of Cybermen . Upon exiting , the Doctor realised that it was actually St Paul ' s Cathedral . ( TV : " Dark Water " ) The Twelfth Doctor noted to Kate Stewart that the cathedral was bigger on the inside thanks to dimensional engineering . They , along with UNIT soldiers , watched as the roof was lifted and let various Cybermen escape from their tombs inside it . ( TV : " Death in Heaven " ) In 2254 , St Paul ' s Cathedral survived a Dalek invasion of Earth which saw London liberated by the Doctor . ( GAME : " Dalek Attack " ) In 3550 a sentient computer called Mar - Kom , which had been installed in St Paul ' s Cathedral , ruled New Britain until it was defeated by the Third Doctor . ( COMIC : " The Eternal Present " ) At some point in the " near " future , St . Paul ' s was ravaged along with the rest of London . ( COMIC : " The Child of Time " ) Alternate timelines . In an alternate 2006 , St Paul ' s Cathedral was destroyed by South Africa n terrorists . ( PROSE : " The Time Travellers " ) In an alternate 2586 , Emily Blandish and Honoré Lechasseur ' s investigation of a mysterious murder led them to St Paul ' s Cathedral , which was deserted and rumoured to be haunted . The Cathedral was destroyed in an explosion caused by the death of the Daemon Mastho . ( PROSE : " Child of Time " ) In a futuristic version of London in an alternate timeline , Liz Shaw was interrogated by nuns in what used to be St Paul ' s Cathedral . ( PROSE : " The Eye of the Giant " ) In an alternate timeline in which the Church of the Glorious Dead conquered all of Earth over its history , Sato Katsura allowed the ruined St Paul ' s Cathedral to remain as a warning to humanity against defying the Church ' s beliefs . Sato and briefly fought in and on the steps outside of the Cathedral during their battle . ( COMIC : " The Glorious Dead " ) As basis of comparison . In an alternative reality in which Adric survived his crash - landing and death on prehistoric Earth , he used Block Transfer Computation to build himself a city , the entrance to which Beatrice Mapp compared in size to St Paul ' s Cathedral . ( AUDIO : " The Boy That Time Forgot " ) In the 1980s , the Fourth Doctor estimated that the Krynoid enveloping Chase Mansion would soon grow to the size of St Paul ' s Cathedral , and after that eventually grow to envelop the entire Earth . ( TV : " The Seeds of Doom " ) During a visit to the Library on Kar - Charrat , the Seventh Doctor noted that the Library ' s lobby alone was larger than St Paul ' s Cathedral . ( AUDIO : " The Genocide Machine " )