5 links have been added on this idea.
  1. There’s also an underwater bicycle parking garage in Amsterdam – the first of its kind it the world.

  2. How cool is this underwater hotel in Africa?
    https://www.bbc.com/travel/article/20131119-an-underwater-hotel-opens-in-africa

  3. Maldives has an underwater night club, where you can dance to the views of the sea life.