BVirtualPilot3D™ Real Flight Simulator Games - The Best Airplane Games
The amazing thing about VirtualPilot3D is that it has every single airport in every single city in every single state in every single country in every single continent!
It has wonderful,scenery,very realistic flying. It will definately take a long time for you to truly explore the entire world. In fact, you may need to clear your diary for a few weeks.