-The largest airport cargo terminal under one roof is the Hong Kong Air Cargo Terminals Limited SuperTerminal 1. It has a design capacity of 2.8 million tons a year. A total floor space of 3,019,277 ft. squared is part of the airport , which is a massive 0.8-mile-long structure, covering 5,920,150 ft. squared. -Hong Kong has the largest airport passenger terminal building, while Atlanta, Georgia boasts the world's largest land area of airport space. -S. R. Wahs - 1/22/2013
I know this isn't what you asked but it may be of interest to you. What must be one of the worst airports is in Australia. I don't remember the name of the airport though. Kangaroos jump onto the runways which too often causes plane crashes. I don't think I'd want to land or take off there...lol.