Video: The world's largest

The 245-meter Hindenburg balloon becomes one of the largest flying vehicles ever created by humans.

Hindenburg airship.

The first aircraft in the world designed by Wright brothers looked so small when placed next to these aerial "monsters".

Huge aircraft appeared in the first half of the 20th century. Hughes H-4 Hercules is by far the world's largest seaplane manufactured. It has the longest wingspan of any aircraft ever taken off.