We just learned about the Superheater.
Another part of a steam locomotive is the Chimney.
The smoke from the boiler goes up the chimney pipe so the smoke goes up high and the engineer can still see down the tracks.
![chimney](https://upload.wikimedia.org/wikipedia/commons/thumb/7/7c/Leviathan_63_Train_Festival_2009.jpg/640px-Leviathan_63_Train_Festival_2009.jpg)
(from: wikipedia - chimney (locomotive))
Kid Facts - Blast from the past: Valve Port