One of the benefits attributed to dome houses is that a sphere encloses the most volume for a given surface area. Of course much of that volume is useless, but that is another story. Back in 1934, Everyday Science and Mechanics suggested some other virtues of spheres: they roll. The Smithsonian's Paleofuture quotes them:
Just make sure there are not dishes in the kitchen cabinets. More at Paleofuture
If spherical, the house of the future can be easily transported to its building lot, set in place, and the fixtures added. The shell is first pressed into shape; then windows are cut, and only a protective tire is need for moving.... Properly built-in fixtures would even stand such moving.