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 [+]Loading...["A Brief History of Time Lords (novel)"])
Here, the Eye was controlled by a crystal-shaped access system (TV: The Deadly Assassin [+]Loading...["The Deadly Assassin (TV story)"]) called the "Obelisk of Rassilon." (AUDIO: Renaissance [+]Loading...["Renaissance (audio story)"]) Most believed the existence of this vault was a myth. (TV: The Deadly Assassin [+]Loading...["The Deadly Assassin (TV story)"])
The Eleven relocated the Dark Gate to the Panopticon Vault and used it to conquer the universe for a time. (AUDIO: Dark Universe [+]Loading...["Dark Universe (audio story)"])