Fort Superman
From superman.nu: Supermanica
Fort Superman
A massive fortresslike structure—also referred to as the Museum of Menace—which is constructed by Superman in November 1957 as part of his elaborate plan to demoralize a trio of extradimensional outlaws who have been summoned from the fourth dimension by Lex Luthor to help him loot the Earth (S No. 117/2: "The Secret of Fort Superman"). (TGSB)
