Atlanta, Georgia, or Dammam, Saudi Arabia, depending on your metric of size.
The Bangda airport in eastern Tibet is the highest, which lies 15,548 feet above sea level.
the worlds biggest yoyo is about the size of a hobo
The Amazon is the worlds biggest rain forest
The Catholic Church is the biggest charity in the worlds.
The biggest airport in Germany is in Frankfurt.
Beijing Capital International Airport PEK/BJS is the worlds second busiest airport for commercial traffic.
Nadi International Airport - Fiji
The worlds largest "commercial" airport is King Fahd International Airport in Saudi Arabia. See related link below.
NO. Rotterdam airport is smaller than Schipol Amsterdam
The worlds biggest island is clearly Green Land its PNG
The worlds biggest selling drink is both Milk and water.
The worlds biggest tin sheep here