Big secrets might be hard to keep for us, regular mortals, but if we've learned anything from the world's biggest and most expensive megayachts, luxury RVs, and top-of-the-line motorhomes, it's that ...

To quote one of the most iconic one-liners in cinema, "Some people just want to watch the world burn." And then, some just want to relax in absolute comfort, travel around without a care and on their ...