A maze in the Enterprise's recreation room
A maze on a Delta Quadrant planet
A hedge maze was a type of maze that used hedges for walls.
In 2270, the recreation room of the USS Enterprise created a large hedge maze, in which Dr. Leonard McCoy and Lieutenants Hikaru Sulu and Nyota Uhura found themselves trapped. (TAS: "The Practical Joker")
A planet located in the Delta Quadrant's Hirogen star system contained a hedge maze that was explored by Zero. (PRO: "Dream Catcher")