Longest flight: The Graf Zeppelin's 6,168-mile non-stop transatlantic crossing took 111 hours and 44 minutes. Luxury travel: The airship offered 10-passenger cabins, luxurious dining, and ...

The Hindenburg, along with its highly successful predecessor, the Graf Zeppelin, made numerous trans-Atlantic crossings in their brief but illustrious careers. Constructed out of an aluminum alloy ...