Something that is intricately and often bewilderingly complex
Lana suspected the labyrinth of tunnels and chambers ran beneath the entire town.
south, there is a very curious labyrinth of red marble rocks.
The older portion of the town is still surrounded, on the north and east, by its ancient, though dilapidated medieval walls, and is a labyrinth of steep and dirty streets.
Great Architect of Nature, help me to find the true path out of the labyrinth of lies!
She was gone; and in that vast labyrinth of streets, peopled by eight hundred thousand human beings, he was alone.