A typical US Land Cruiser that was used to patrol the US/Canada boarder at the end of the 19thC. By the turn of the century, all the Great Powers had fleets of land ships, which, of course, were made obsolete by the proliferation of battle Zepplins, which would dominate the nature of warfare for much of the next century.
Such is the description that I got, now, if I can just get an image to post...