Mendasarkan
Xavier Institute for Higher Learning, Salem Pusat, Westchester County, New York (mantan) Muir Island, Skotlandia; Braddock Lighthouse
(Saat ini) Investigasi X-Factor, New York City (mantan) Profesor Xaviers School of Gifted Youngsters, Salem Pusat, Westchester County, New York; Muir Island, Skotlandia; markas X-Factor, Embassy Row, Washington, DC; X-Factor Markas, New Yo