While some pieces of conceptual architecture guide out imagine toward distant planets, others plunge us into the depths of the ocean. These underwater cities concepts, dreamed up by illustrators, architects, and designers, imagine the sorts of structures we might inhabit beneath the watery surfaces.
Space might be the final frontier, but science fiction has always harbored a fascination with worlds under the waves. Here are 11 great examples of scifi's submerged cities.
Okay, not back to Back to the Future — he's signed on to direct a near-future underwater adventure called Dark Life. But, hey, it's Zemeckis and scifi — everybody wins.