Picture this: It’s 1920 in Longreach in Central Queensland, which is almost in the middle of nowhere. You want to start an airline with a war-spared Avro 504, and you want to become the biggest airline in the world. This museum shows how three folks—Paul McGinness, Sir Hudson Fysh, and Sir Fergus McMaster—did just that. The museum was not founded or run by Qantas, but by an independent group to preserve the area’s history. It is home to a number of artifacts, including the planes themselves, that tell the long…