Designer Jean-Marie Massaud has designed a whale-shaped flying hotel. From dezeen.com:

The whale-shaped airship, developed with French national aerospace research body ONERA, will be able to accommodate 40 guests and have a range of 5,000 km.

Manned Cloud will have a cruising speed of 130 km/h and a top speed of 170 km/h. Two two-deck cabin will contain amenities including a restaurant, a library, a fitness suite and a spa. There will also be a sun deck on top of the double helium-filled envelopes.

http://www.dezeen.com/

http://www.massaud.com/