Gibbontake

You consider three windows which are helpfully labelled. You could enter any one of these, or in fact move along the balcony to find more, really the possibilities are endless.

Each window could lead to a whole separate labyrinth, a long and winding passageway that would take many hours to traverse. The choice is honestly a little too much to handle, you defer to the reader to decide on which of these three fucking incredible adventures to begin first.