The airport space it occupies is quite large as can be seen from these pictures and only airports with upgraded facilities can accommodate it.
The A380's upper deck is as long as the entire length of the fuselage and the width is the same as a wide-body aircraft.
The sight of the huge wing is quite awesome.
The large wing of the Airbus A380
For images of the interior of an aircraft and aircraft passengers: Inside of an Aeroplane or inside of an airport: Airport Lounge with people waiting
Or for all the photographs of airports on this blog (including international airports) try the label "Airport"