We’ve all seen stories about the lost city of Atlantis— and this could be the next best thing. The Conrad Maldives Rangali Island has opened the world's first underwater hotel. ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ That’s right— in a beautiful two-story villa 15 ft below the Indian Ocean, this luxury suite offers a private gym, bar and luxury infinity pool.