- For other uses of see Atlantis (disambiguation).
Atlantis was a fabled location on Earth. This island, city, or civilization reportedly sank into the sea.
In 2267, James T. Kirk and Spock witnessed scenes from Atlantis as the Guardian of Forever revealed Human history to them on Gateway. (TOS novelization: The City on the Edge of Forever)
In 2268, Doctor Leonard McCoy compared the legends surrounding the existence of the planet Sanctuary to those about Atlantis and El Dorado. (TOS novel: Sanctuary)
In the 24th century, the Atlantis Project took its name from this legendary place. (TNG episode: "Family", TNG short story: "Solace in Bloom")