Serval Industries, Virginia; sebelumnya X-Factor Investigasi Markas, Starjammer; Xavier Institute for Higher Learning, Salem Pusat, Westchester County, New York; Genosha; X-Factor HQ, Washington DC, Maryland; Mutan Research Center, Muir Pulau;
Xavier Institute, Salem Pusat, Westchester County, New York sebelumnya Braddock Manor, Inggris Raya; Outback Australia