Notre Dame was a building in Paris.
In 1858, Eldritch Valdemar fell from the roof of the Notre Dame after the girls he formerly controlled turned on him. (COMIC: The Screams of Death)
The Fourth Doctor and Romana II walked past the Notre Dame after the randomiser took them to Paris in 1979. (TV: City of Death)
Unlike most of the Earth, the Notre Dame Cathedral was left untouched during the Year That Never Was. When the time came to help the Tenth Doctor, a number of surviving humans gathered in front of the ancient building and chanted the word "Doctor", allowing him to rejuvenate himself. (TV: Last of the Time Lords)
