EAA - Experimental Aircraft Association annual fly-in at Oshkosh, WI
http://www.airventure.org/index.html
The Wittman Regional Airport has a runway long enough to accomodate any aircraft.
Typically about 2,500 show aircraft participate
at EAA AirVenture Oshkosh,
including homebuilts, antiques, classics,
warbirds, ultralights and rotorcraft.
A daily airshow features stunt and formation
flying, demonstrations of vintage
and current military aircraft, wing-walking
and copter stunts.
A featured plane this year was the Dreamlifter;
a Boeing 747
Large Cargo Freighter (LCF); the largest plane
in the world.