Yarvelling's Church was a building involved in the Last Great Time War between the Time Lords and the Daleks, (PROSE: Doctor Who and the Time War) Yarvelling being the Skarosian engineer who had invented the Dalek War Machine, the original Dalek casing. (COMIC: Genesis of Evil)
The Church's black, friable spires had fused with Morbius' Red Capitol by the end of the War, and, in an account where the Eighth Doctor remained active until the last day of said War, the Doctor was able to witness this moments before he activated the Moment and ended the War forever. (PROSE: Doctor Who and the Time War)