Then, for hours, while Keating watched and the sky darkened and lights flared up in the windows of the city, Roark talked, explained, slashed lines through the plans, untangled the labyrinth of the theater’s exits out windows, unraveled halls, smashed useless arches, straightened stairways.
There are no more uses of "labyrinth" in the book.
Show samples from other sources
The gutted structure crouches like a wounded animal amid a labyrinth of crumbling dwellings.
Sabaa Tahir -- An Ember in the Ashes
"I heard Mom say that the warlocks of the Spiral Labyrinth have been looking for a way to reverse the effects of the Infernal Cup," said Isabelle.