TARDIS boot cupboard
The Doctor's TARDIS contained a boot cupboard.
When the Fourth Doctor gave Sarah Jane Smith a tour of the TARDIS, he showed her the boot cupboard, remarking that it was "not very interesting". Sarah thought that it was enormous. (TV: The Masque of Mandragora)
During the Seventh Doctor's time, the boot cupboard contained a sign which read, "Quiet, or tongues will wag". (COMIC: Cat Litter)
When the Eighth Doctor tidied up the boot cupboard, he discovered a brochure for a 2074 conference on 20th century science fiction. (PROSE: Mad Dogs and Englishmen)
While giving Gabby Gonzalez a tour of the TARDIS, the Tenth Doctor showed her the boot cupboard, which was at that time a small shelf located in a TARDIS corridor. (COMIC: Laundro-Room of Doom)