one of the most well-known zeppelins was the lz 129 hindenburg, which caught fire on may 6, 1937, during a landing after a non-stop trip from germany to new jersey in the united states. after this, zeppelin passenger service came to a stop. the lz 130 graf zeppelin was still in use, although some modifications had to be made. early the second world war the remaining zeppelins were demolished so their metal could be used for other things.