There are several ex-metropolises in DC comics. First-off I would think of Atlantis and also the miniaturized Kryptonian city of Kandor There may be others, it is such a broad term, akin to Lost Continent which neary always means Atlantis.
Lost City was created in 2004.
Lost City has 420 pages.
Lost City Museum was created in 1935.
The Lost City was released on 04/28/2006.
The Production Budget for The Lost City was $9,600,000.
Lost City Angels was created in 2001.
The City of Lost Souls was created in 2000.
D.J. MacHale wrote "The Lost City of Faar."
The duration of The City of Lost Children is 1.87 hours.
Lost City Radio has 257 pages.
The Lost City of the Jedi has 94 pages.
The duration of Lost City Raiders is 1.5 hours.