What is a "land yacht"?

1964 Cadillac Fleetwood Series 75 Greg Gjerdingen/Flickr/Creative Commons

Land yachts are the biggest of the big cars. But how long are they? How much do they weigh? What about those massive trunks, cavernous interior spaces and those huge (but low-power) V-8 engines?

Topics in this Podcast: Mercedes-Benz, Chrysler, Buick, Oldsmobile, Maybach, luxury cars, Cadillac, lincoln