Florida's ghost airport: Everglades Jetport was to be the world's biggest hub, with Boeing's answer to Concorde coming and going. But all that remains is a runway to nowhere in a swamp... The vision for Everglades Jetport in Florida in the 1960s was for it to be the biggest airport in the world It was set to occupy a 24,960-acre plot five times larger than the footprint for New York's JFK Airport Building began in 1968, but a year later, a damming environmental report led to work being halted for good