Plane junkies, this is your week. The Sun 'n Fun Fly-In is a yearly event in Lakeland, Florida which celebrates the joys of aviation. The event is taking place from April 12 —18 at Lakeland Linder Regional Airport. It is a week-long convention which includes workshops, demonstration flights, a hot air balloon launch and daily airshows. It's the second biggest airshow in the U.S. and showcases a wide variety of vintage planes and experimental models.