Budapest Children's Railway, 1996.

Budapest Children’s Railway, 1996. Image by Phil Richards / CC BY-SA 2.0

The 12km-long Children’s Railway in Hungary has been declared the longest such railway in the world by the Guinness World Records. Apart from the train drivers, everything else on this railway is managed by children aged ten to 14, who are under adult supervision. More than 15,000 children served as part of the train’s crew over the last 67 years. Read more: