The Crystal Bucephalus


 * You may be looking for the novel of the same name.

 was part restaurant, part time machine. Turlough and the Fifth Doctor once visited it. (MA: The Crystal Bucephalus

Behind the scenes
The precedent article the is never capitalised in the book, making it possible to believe that it's not actually a part of the name. However, it is used every time the restaurant is named. Therefore it is practically a part of the name, in the same way that the precedes the Doctor, the Master and the Rani.