Empire City in the Sky

The Empire City in the Sky was a flying city designed, built, and operated by the mad scientist Luthor in the mid-20th century. While in use, Luthor used it for the purpose of conning the rich men Metropolis of their business secrets while posing as an alien. Superman foiled his scheme.
== Notes ==
=== Behind the Scenes ===
* The city was created by Jerry Siegel and Leo Nowak.
== Appearances ==
* Action Comics
** The Empire in the Sky (first and final appearance)
== References ==
Category:Technology
Category:Vehicles
Category:Flying vehicles
Category:Cities
Category:Flying cities
Category:Locations
Category:American cities
Category:American locations
Category:Comic book locations
Category:DC Comics locations
Category:Lex Luthor's inventions