Fortress of Solitude
From superman.nu: Supermanica
Revision as of 21:25, 2 March 2005 by 209.158.251.54 (Talk)
The impenetrable secret sanctuary, carved out of a mountainside amid the barren arctic wastes, which serves both as a retreat and a headquarters for Superman. (See Superman [section 5, the Fortress of Solitude].)
