At the uber fancy PER AQUUM Niyama resort in Maldives tourists frolic between two private islands a gourmet restaurant six (hence the name) meters (about 20 feet) beneath the surface of the Indian Ocean In order to even see Subsix, visitors must come by speedboat or a 15 minute one from Niyama Resort's islands The entrance to the restaurant is inconspicuous just a mysterious pair of doors atop a short dock they descend three stories beneath the waves into the "clam-shaped" bar The building (constructed on land then sunk below the waves) sits central to a thriving coral reef Sea anemone chairs and soft blue light invite the diners into the ocean world and parrotfish swimming just beyond the glass The world's largest underwater restaurant is submerged off the southern tip of Norway The world’s highest ski resort was deserted after an 18,000-year-old glacier melted away A submerged archeological park still holds the wonders of a Roman Sodom Thanks to the building of a life-giving reservoir part of the Great Wall of China is now a dive site Submerged busts of communist and socialist figures from the USSR This 38-year old fish became a casualty of changing trends