Fortress of Solitude (Earth-Prime)

Fortress of Solitude, or simply known as The Fortress, is the storage facility and base of operations of Superman.

History
At some point in the 2000s, Superman started storing his enemies' dangerous weapons in the Fortress. During the period, he also proposed to Lois Lane.

In 2020, Lex Luthor used his Transmatter Portal Watch and arrived in the Fortress, releasing the baby Sun-Eater as a threat for Supergirl.

Current Storage Items

 * Bottled Earth
 * Myriad
 * Baby Sun-Eater

Former Storage Items

 * Rama Khan's rings