Had the luxury of checking out the Citadel in Halifax last summer and found this gem of a stove. I imagine soot driping on the scones but likely a good radiator too. I bet it was fairly smokey in there until the fire got going:

Longest horizontal flue pipe [thanks DB] in the world!

First prize for 100 year old masonry shenanigans goes to:

This photo was passed to me by Don Noble and it shows proper corbelling of masonry units to get the chimney centred on the ridge of the roof, heaven forbid, not on the side.

Breaking all the rules: just when you though stuff was well built back then, here’s a 100 year old example of shenaniganry.

First prize for genuine-faux chimney goes to…

Built in 2012, this masonry pseudo-chimney is all talk no action!

That’s not a chimney… that’s a decoration. The gas vent comes out the side, the stack is pure expensive decoration.