The entrance to the Fortress, embossed with Superman's S-shield. The Fortress of Solitude is a building in the Arctic owned by Superman. Sightings Edit Season 1 16. "Failsafe" (illusion) References Edit ↑ Dubuc, Nicole (writer) & Oliva, Jay (director) (November 4, 2011). "Failsafe". Young Justice. Season 1. Episode 16. Cartoon Network. Retrieved from "https://youngjustice.fandom.com/wiki/Fortress_of_Solitude?oldid=219981" Categories: A to Z Headquarters Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.