Graf Zeppelin over Friedrichshafen, where it was built.
Probably the most successful of the German airships, the Graf Zeppelin operated a passenger service between 1928 and 1937. In 1920 it circumnavigating the globe in 3 week, including the first non-stop flight over the Pacific.
In this time between wars, the battle between airships and airplanes over who would dominate passenger services still hadn’t been decided. The zeppelins were slow, but could carry passengers further, and in luxury that the small, noisy planes couldn’t match.