The Joker's Funhouse

The Joker's Funhouse is a part of Sionis Industries located in the Industrial District and was owned by the Joker. It features giant nutcracker, dodgems and a ferris wheel. After Joker's death, during the events of Harley Quinn's Revenge it is named Harley's Funhouse.

History
During the events of Batman: Arkham City, Batman travels through the Funhouse in order to find Joker. When Hugo Strange activates Protocol 10,  part of the Funhouse was destroyed, giving Batman an easier way to access the Steel Mill.

During the events of Batman: Arkham Knight, thugs will mention the ferris wheel, saying that there were 'no queues' there.