Hoteliers around the world have planned luxury accommodations in the deep. A few modest underwater hotels already exist, but some of the most ambitious attempts may not make it past the blueprint stage. Dubai is arguably the luxury capital of the world, so it's hardly surprising that the United Arab Emirates wants to create the largest undersea hotel in the world.

Dubai unveiled its plans in 2012, and the above-water portion of the proposed Water Discus hotel looks like an opulent cluster of UFOs -- albeit with a sunbathing deck.

Read the full article at cnn.com