The biggest steam locomotive is whistle-stopping across the U.S.

Article has "operating" headline here doesn't. Those that are left are (apparently) all on static display.

Articulated steam locos: I was delighted to finally see Bayer Garrets in Delhi, and coastal NSW loco caches. I'd mentally assumed to be an articulated steam engines, it would be enormous: these are actually surprisingly small.

(Made in England, mostly for export)