Thankfully, aviation buffs have plenty of genuinely beautiful ... most graceful machines ever built by humanity. However, they also say that form follows function, and the function of an aircraft ...

even the most beautiful journeys can come with unexpected delays or medical emergencies, so it’s always wise to make sure your travel insurance is in place before you board the airplane ...

Legends of the Sky: The Liberty Plane is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet ...