I've posted about Airships before - this one is quite unique in that it is vertical instead of oblong - looking a bit more like a balloon. However the concept interiors are amazing!
Originally a self-generated project, Seymourpowell's Aircruise is the concept design for a hotel in the sky, with low passenger numbers and huge internal spaces offering room for living, dining and relaxing, as well as scope for dramatic and inspirational public spaces. The initial design proposes a bar/lounge zone, four duplex apartments, a penthouse and five smaller apartments.
Here is the video: