While the photograph is authentic, the "underwater waterfall" is the result of an optical illusion. As explained in a CNN Travel story from August 2019, "Sand and silt on the ocean floor run off ...

Visitors at Newport Aquarium can experience a brand new underwater world at “Freshwater Falls,” the aquarium’s newest exhibit. It showcases species that live in environments beneath ...

Two underwater levels will house a restaurant and guest rooms facing a 10m deep aquarium. The lowest level of the hotel will contain a leisure complex with a swimming pool and water-based sports.

The Birch Aquarium at Scripps Institution of Oceanography at UC San Diego just unveiled its newest artificial habitat -- the Seahorse Hotel.