Airliners.net: A great source of aviation photography; pictures of almost every aircraft on the planet.
AirVenture: The EAA hosts one of the world's largest aviation events in OshKosh, WI. Be sure not to miss this great event
FlightAdventures: An online community of pilots and aviation buffs.
Great Hobbies : Looking for a cheaper way to fly? Try flying RC, it's another great hobby.
Red Bull Air Races: A champion of aviation, Red Bull sponsors an international air race series of precision and speed.
Reno Air Races : The Reno Air Racing Association continues to host the world famous Reno Air Races in the desert of Nevada.
Tutima Academy of Aviation Saftey: Aerobatics phenomenon Sean D. Tucker hosts a great school to increase your flying skill and proficiency.
FlightSim.com: A great website for the desktop pilot. This website is full of PC flight simulator forums, addons and information.
Starfighters.net: Operational F-104 Starfighters flown in various roles which include training, operational flight test & evaluation and for airshow performances across the United States & Canada.