|City of Forever|
|Game||Ecco the Dolphin|
|Objectives||Active the Time Machine.|
|Level #||16 (Genesis), 22 (CD)|
|Previous Level||Deep City|
|Next Level||Jurassic Beach|
City of Forever is the sixteenth level of Ecco the Dolphin in Genesis, or the twenty-second level in Sega CD. It is the fourth and final Atlantis level.