Someone just created a maze in RollerCoaster Tycoon 2 that takes park guests 6.6 * 10 ^ 19,758 years to complete.
This is a companion discussion topic for the original entry at https://www.vice.com/en_us/article/bv8p3d/this-rollercoaster-tycoon-maze-takes-trillions-of-years-to-complete