OK, this is not a hotel but I have written about the quirky and funny V8 Hotel in Germany and a few articles about Singapore so I cannot hide this gem for you. At Hamilton Scotts in Singapore you can park your car by your apartment and then we mean it literally on the same floor.
Your car is taken to your apartment with a one of a kind self-parking mechanism. For the record, I have not seen this in real life but I would love to. Enjoy this video: