The Isthmus The Isthmus (named after the Isthmus of Panama) was the Exposition’s Fun zone or Midway, located approximately in today’s Zoo and Carousel Parking Lots Entrance to Isthmus Actors in War of the Worlds Palais de Dance Temple of Mirth Yelps Tokio Cafe Sultan's Harem Elizabeth Hawaiian Village Panama Canal exhibit Toadstool Chinatown Pala Gem Mine Roller Coaster Isthmus at Night