Serval Industries, Virginia; früher X-Factor Untersuchungen Hauptquartier, Starjammer; Xavier Institute for Higher Learning, Salem-Center, Westchester County, New York; Genosha; X-Factor HQ, Washington DC, Maryland; Mutant Research Center, Muir Insel;
Utopie; ehemals New Warriors HQ; Xavier Institute for Higher Learning, Salem-Center, Westchester County, New York; Massachusetts Academy, Snow Valley, Massachusetts