Xavier Institute for Higher Learning, Salem Center, Contea di Westchester, New York (ex) Muir Island, in Scozia; Braddock Faro
(Correnti) Le indagini X-Factor, New York City (ex) Professore Xaviers School of Giovani Dotati, Salem Centro, Westchester County, New York; Muir Island, in Scozia; sede X-Factor, Embassy Row, Washington, DC; Sede X-Factor, New Yo