Some makers of machines confine themselves to replicas of conveyances actually used somewhere in the world during the steam era, while others handcraft mechanical marvels from materials available today, with a steam aesthetic, and sometimes boilers for steam powered engines.
By LandHuman-powered Favorites
Horseless Carriage (aka the Automobile)
By SeaSailing ships
Submarines (beginning with Jules Verne's Nautilus)
By AirHot Air Balloons
Defying Space and TimeTime Machines (beginning with HG Wells classic)