Panopticon Vaults
From Tardis Wiki, the free Doctor Who reference
The Panopticon Vaults were chambers located below the Panopticon, in the Time Lords' Capitol on Gallifrey. They housed the Eye of Harmony, which made time travel possible. (PROSE: A Brief History of Time Lords)
Here, the Eye was controlled by a crystal-shaped access system (TV: The Deadly Assassin) called the "Obelisk of Rassilon." (AUDIO: Renaissance) Most believed the existence of this vault was a myth. (TV: The Deadly Assassin)
