|Hideout or Headquarters||
|Fortress of Solitude|
|Primary Service or Goal|
|Headquarters and Hideout|
1st: Andean Mountains
2nd: Amazon Jungle
Kelex: Kryptonian servant robot.
Laboratories, mainframe computer, television monitors, gymnasium, trophy rooms.
Holographic Histories of Krypton: Three-Dimensional references on the history, culture and science of Krypton.
Kryptonian Battlesuits: Armored cybernetic uniforms used for combat.
Phantom Zone Projector: Device used to open a portal to the dimension known as the Phantom Zone.
Superman Robots: Mechanically superior robots resembling Superman's appearance and possessing superior strength, speed, flight, heat vision and limited independent intelligence.
Adventures of Superman
Superman Vol. 1 & 2
Superman: The Man of Steel
Superman's Mountain Laboratory
Superman Vol. 1 #17 (July - Aug. 1942)
Fortress of Solitude
Superman Vol. 1 #58 (May - June, 1949)
Carved with his bare hands into the rock face of an ice-covered mountain near the North Pole, is a secret and solitary home where Superman can relax, perform scientific experiments, and temporarily escape the demands and distractions of the everyday world within his Fortress of Solitude.
Filled with Kryptonian items which were stored within the Phantom Zone, the base gives Superman a link to his Kryptonian heritage and a place of comfort within his Fortress of Solitude.