Luxury can mean more than things that glitter in the light. For collectors, these lots (sold at prestigious auction houses around the world) appealed to them at a level that went beyond the price. And they are right. From a sledge used by Antarctic explorer Ernest Shackleton, a Panerai watch from WWII, a pre-war Alfa Romeo to a meteorite sphere, here are the hottest lots that found new homes and one that, if you hurry, you may just own.