When is a hotel, not just some place you go for rest and relaxation? When the hotel is located underwater and has a clear glass canopy over each room that lets guests view the ocean life around them. Continue reading to see seven more weird hotels that think outside the box.

The Hydropolis Underwater Hotel and Resort was a proposed hotel, designed by Prof. Roland Dieterle that would have been the world’s first underwater luxury resort. It was planned to be situated 66 feet (20 m) below the surface of the Persian Gulf off Jumeirah Beach in Dubai, and projected to cost $300 million to construct.